Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
addlepated | muddleheaded. |
agrestic | of or relating to the fields or country, rustic, uncouth. |
analphabet | an illiterate; one who doesn't know the alphabet or the basics of something. |
analphabete | an illiterate; one who doesn't know the alphabet or the basics of something. |
archfool | a complete fool. |
asinico | (Shakesp.) a stupid fellow. |
asininity | stupidity. |
backwoodsman | a provincial, a country bumpkin. |
bammer | an idiot, fool. |
bampot | (Scots) an idiot, fool. |
barmpot | an idiot, fool. |
bedunce | to make a dunce of. |
beetlebrain | a heavy stupid person. |
beetlebrained | stupid. |
beetlehead | a heavy stupid person. |
beetleheaded | like a beetlehead, stupid. |
berk | (Coll.) a fool. |
birdbrained | simple-minded. |
blert | (Coll.) a foolish person. |
blockhead | a stupid person. |
blockheaded | stupid. |
blockheadedly | (Adv.) BLOCKHEADED, stupid. |
blockheadedness | the state of being blockheaded. |
blockish | like a block; stupid, dull. |
blockishly | (Adv.) BLOCKISH, like a block; stupid, dull. |
blockishness | the state of being blockish. |
bonehead | a stupid person. |
boneheaded | stupid. |
boneheadedness | the state of being boneheaded. |
boobish | doltish. |
booboisie | boobs as a class; the general public regarded as consisting of boobies. |
boobyish | stupid; dull. |
boobyism | being like a booby. |
boofhead | (Aust. sl.) a stupid person. |
boofy | muscular and strong but stupid. |
borel | (Arch.) rustic, clownish; (noun) a boring tool. |
borrel | (Arch.) rustic, clownish. |
borrell | (Arch.) rustic, clownish. |
brainless | without brains. |
brainlessly | (Adv.) BRAINLESS, without brains. |
brainlessness | the state of being brainless. |
brainsickness | the state of being brainsick. |
bucolic | of or relating to shepherds or herdsmen, pastoral (noun) a pastoral poet, a rustic |
bucolically | (Adv.) BUCOLIC, rustic. |
bufflehead | one who has a large head; a heavy, stupid fellow. |
buffoon | a clown. |
buffoonery | foolish or playful behavior. |
buffoonish | like a buffoon. |
bumpkin | a rustic, a yokel a spar projecting from the stern of a ship |
bumpkinish | like a bumpkin. |
bumpkinly | like a bumpkin. |
burk | (Coll.) a fool. |
butthead | a stupid person. |
capocchia | (Shakesp.) a simpleton. |
carl | a rude, rustic man; a churl. |
carle | a rude, rustic man; a churl. |
carlish | (Arch.) churlish. |
charley | a credulous or inefficient person. |
charlie | a credulous or inefficient person. |
chawbacon | a bumpkin, a hick. |
chipochia | (Shakesp.) a simpleton. |
chowderhead | a foolish person. |
chowderheaded | like a chowderhead, foolish, simple. |
chucklehead | a foolish person. |
chuckleheaded | of or like a chucklehead, foolish. |
chuff | gruff (verb) to make a series of puffing sounds |
churlishly | (Adv.) CHURLISH, incivil. |
clarthead | a slow-witted person. |
clodhopper | a clumsy, awkward fellow; a strong, heavy work shoe. |
clodly | in a stupid fashion. |
clodpate | a combination of a clod and a blockhead. |
clodpated | stupid, doltish. |
clodpole | a simpleton. |
clodpoll | a simpleton. |
clotpoll | (Shakesp.) a fool. |
clouter | one who clouts, mends and botches. |
clouterly | like a clouter, clownish. |
cokes | a simpleton. |
coof | (Scots) a lout, a dolt. |
cretin | a person afflicted with cretinism. |
cretinise | to make into a cretin. |
cretinize | to make into a cretin. |
cretinoid | resembling a cretin; (noun) someone resembling a cretin. |
cretinous | like a cretin. |
crumbum | a foolish or despicable person. |
culchie | (Irish) rustic (noun) a rustic, a country labourer |
daffily | (Adv.) DAFFY, daft. |
daffiness | the state of being daffy. |
daffy | daft (noun, coll.) a daffodil |
daftie | a simpleton. |
daftness | the quality of being daft. |
damfool | stupid; (noun) a stupid person. |
dawbake | (Dial.) a slow-witted person. |
dawney | (Irish) dull or slow. |
desipience | foolishness, trifling. |
desipient | playing the fool; trifling. |
dickhead | a foolish person. |
dimbo | an unintelligent person > DIMBOS or DIMBOES. |
dimmish | not very intelligent. |
dimwit | a person of low intelligence. |
dimwitted | stupid. |
dingbat | (Aust. sl.) a fool. |
dipshit | a stupid person. |
dipstick | a stupid person. |
ditz | a silly person. |
dizzard | (Obs.) a blockhead. |
dodderer | one who dodders. |
doddipoll | (Obs.) a blockhead. |
doddypoll | (Obs.) a blockhead. |
dodoism | a stupid remark. |
dof | (S. Afr.) stupid. |
dolt | a heavy, stupid fellow. |
doltish | like a dolt. |
doltishly | (Adv.) DOLTISH, like a dolt. |
doltishness | the state of being doltish. |
donnard | (Scots) stupid, dull-witted. |
donnart | (Scots) stupid, dull-witted. |
donnerd | (Scots) stupid, dull-witted. |
donnered | (Scots) stupid, dull-witted. |
donnert | (Scots) stupid, dull-witted. |
donsy | (Gaelic) unlucky; sickly. |
doofus | a fool. |
dopey | foolish. |
dopeyness | the state of being dopey. |
dopily | (Adv.) DOPY, foolish. |
dopiness | the state of being dopy. |
dopy | foolish. |
dorb | (Aust. sl.) a stupid or inept person. |
dorba | (Aust. sl.) a stupid or inept person. |
dork | an idiot, an object of contempt; the penis. |
dorkiness | the state of being dorky. |
dorkish | idiotic, like a dork. |
dorky | (Sl.) idiotic, contemptible. |
dotant | (Shakesp.) one who dotes, a dotard. |
dotard | one in his dotage. |
dotardly | like a dotard, one in his dotage. |
dotish | foolish; weak; imbecile. |
dottily | (Adv.) DOTTY, feebleminded. |
dottiness | the state of being dotty. |
dovie | (Scots) stupid. |
drippily | (Adv.) DRIPPY, silly, inane. |
drippy | silly, inane. |
driveler | one who drivels. |
driveller | one who drivels. |
drongo | any member of the family Dicruridae, glossy-black fork-tailed insect-catching birds of the Old World tropics; (Aust. sl.) an idiot. |
dubbo | (Aust. sl.) a stupid person. |
dufus | a fool. |
dullard | a dolt. |
dumb | stupid (verb) to make dumb |
dumbhead | a fool. |
dumbo | (Coll.) a dimwit > DUMBOS. |
dumbshit | (Sl.) a stupid person. |
dummelhead | (Dial.) a stupid person. |
dummkopf | (Ger.) a stupid person. |
dunce | a person regarded as stupid. |
duncedom | the realm or domain of dunces. |
duncelike | like a dunce. |
duncery | dullness; stupidity. |
duncical | like a dunce. |
duncish | somewhat like a dunce. |
duncishly | (Adv.) DUNCISH, somewhat like a dunce. |
dunderhead | a dunce; a numskull; a blockhead. |
dunderheaded | of or like a dunderhead. |
dunderheadism | being a dunderhead. |
dunderpate | a dunce; a numskull; a blockhead. |
dweeb | (US sl.) a fool, a nerd. |
dweebish | like a dweeb, a fool, a nerd. |
dweeby | like a dweeb. |
eejit | (Coll.) an idiot. |
etourdi | (Fr.) foolish, thoughtless (of a male). |
etourdie | (Fr.) foolish, thoughtless (of a female). |
fadaise | (Fr.) an obvious or silly remark. |
fatbrained | (Shakesp.) stupid. |
fathead | a dolt. |
fatheaded | stupid. |
fatheadedly | (Adv.) FATHEADED, stupid. |
fatheadedness | the state of being fatheaded. |
fatuitous | stupid, fatuous. |
fatuity | weakness or imbecility of mind. |
fatuous | silly; purposeless. |
fatuously | (Adv.) FATUOUS, silly; purposeless. |
fatuousness | the state of being fatuous. |
featherbrain | a foolish scatterbrained person. |
featherbrained | foolish. |
featherhead | an empty-headed person. |
featherheaded | foolish, empty-headed. |
feebleminded | mentally deficient. |
feeblemindedly | (Adv.) FEEBLEMINDED, mentally deficient. |
fon | (Obs.) a fool (verb) to fool, be foolish |
fonly | foolishly, fondly. |
fool | a person lacking in wisdom, judgement or sense; (verb) to deceive. |
foolbegged | (Shakesp.) foolish enough to be begged for a fool (in allusion to the custom of seeking the administration of a lunatic's estate as one's own). |
foolery | the practice of folly; the behavior of a fool. |
foolish | silly. |
foolishly | (Adv.) FOOLISH, silly. |
foolishness | the state of being foolish. |
footle | to speak or act foolishly. |
footler | one who footles. |
fuckface | a contemptibly stupid person. |
fuckhead | a contemptibly stupid person. |
fuckwit | a very stupid person. |
gaby | (Dial.) a simpleton. |
ganderism | foolish behaviour, as suited to a gander. |
gaumless | (Scots) stupid; witless; vacant. |
gaupus | (Dial.) a silly person. |
gawmoge | a clownish person. |
gawpus | (Dial.) a silly person. |
git | a stupid person; (verb) to get. |
glaiket | (Scots) giddy, foolish. |
glaiketness | the quality of being glaiket, giddy, foolish. |
glaikit | (Scots) giddy, foolish. |
glaikitness | the quality of being glaikit, giddy, foolish. |
gobshite | (Vulg.) a fool. |
gomeral | (Scots) a simpleton. |
gomerel | (Scots) a simpleton. |
gomeril | (Scots) a simpleton. |
goofily | (Adv.) GOOFY, foolish. |
goofiness | the state of being goofy. |
goofus | a foolish or stupid person. |
goofy | foolish, stupid; (of teeth) protruding. |
goop | a fool, a fatuous person. |
goosey | a goose, a blockhead. |
goosiness | the state of being goosy, simpleminded. |
goosy | like a goose (noun) a goose, a blockhead |
gormless | stupid, witless, vacant. |
gouk | (Scots) a cuckoo; a fool, an April fool. |
gowk | (Scots) a cuckoo, a fool. |
gullish | foolish; stupid. |
gump | a complete nitwit; (verb) to catch fish with the bare hands, to guddle. |
gunsel | (US sl.) a stupid youth; a gunman. |
halfwit | an idiot. |
halfwitted | feebleminded. |
halfwittedly | (Adv.) HALFWITTED, feebleminded. |
halfwittedness | the state of being halfwitted. |
haverel | (Scots) a foolish person. |
hawbuck | a bumpkin. |
hayseed | a country bumpkin. |
hick | characteristic of rural people (noun) a person from the country, a yokel |
hickish | like a hick, rustic. |
hillbilly | a simple rustic, a yokel. |
himbo | a male bimbo. |
hobbish | clownish. |
humdrum | a stupid fellow; monotony. |
idiocy | the state of being an idiot. |
idiot | a mentally deficient person. |
idiotcy | the state of being an idiot. |
idiotic | relating to or like an idiot. |
idiotical | relating to or like an idiot. |
idiotically | (Adv.) IDIOTICAL, common; simple. |
idioticalness | the state of being idiotical. |
idiotish | like an idiot. |
ignaro | (Arch.) an ignorant person. |
ignoramus | an ignorant person. |
ignorant | not knowing things (noun) an ignorant person |
ignorantly | (Adv.) IGNORANT, not knowing. |
imbecile | feebleminded (noun) a mentally deficient person |
imbecilely | (Adv.) IMBECILE, mentally deficient. |
imbecilic | like an imbecile. |
imbecilically | (Adv.) IMBECILIC, like an imbecile. |
imbecility | the state of being an imbecile. |
ingram | (Obs.) ignorant; (noun) an ignorant person. |
ingrum | (Obs.) ignorant; (noun) an ignorant person. |
insipience | (Arch.) a lack of intelligence. |
insipient | wanting wisdom; foolish. |
insipiently | (Adv.) INSIPIENT, wanting wisdom; foolish. |
insulse | lacking wit, dull. |
insulsity | stupidity. |
jaap | (S. Afr.) a simpleton or country bumpkin. |
jackassery | being a jackass. |
jobernowl | a stupid person. |
jolterhead | (Arch.) a clumsy oaf, a blockhead. |
jolthead | (Arch.) a clumsy oaf, a blockhead. |
joskin | (Sl.) a clown, yokel. |
juggins | a simpleton. |
jughead | an idiot, a fool. |
kerky | stupid. |
knobhead | (Sl.) a stupid person. |
knothead | a stupid person. |
knucklehead | a chump. |
knuckleheaded | of or like a knucklehead. |
lamebrain | an unintelligent person. |
lamebrained | unintelligent. |
loggerheaded | like a loggerhead or dunce. |
looby | awkward, lubberly; (noun) a foolish person. |
lummox | a fat, ungainly, stupid person. |
lunk | a stupid person. |
lunkhead | a fool, a blockhead. |
lunkheaded | stupid, like a lunkhead. |
maffled | (Coll.) mentally confused. |
mafflin | a simpleton. |
maffling | a simpleton. |
mampara | (S. Afr.) a foolish person, an idiot. |
meathead | (US sl.) a stupid person. |
meathead | (US sl.) a stupid person. |
meff | (dial.) a stupid or worthless person; a tramp. |
mooncalf | a simpleton, a blockhead. |
moonily | (Adv.) MOONY, dreamy. |
moonstruck | simpleminded, as if affected by the moon. |
moony | moonlit, dreamy (noun) a noodle |
moria | (Greek) folly, foolishness. |
moron | a mentally deficient person. |
moronism | the condition of being a moron. |
moronity | the condition of being a moron. |
muddlehead | a muddled, confused, or foolish person. |
muffish | stupid; awkward. |
muggins | a fool, a sucker, esp used facetiously to refer to oneself as such. |
muppet | (Coll.) a stupid person. |
muttonhead | a heavy, stupid person. |
nana | (Aust. sl.) an idiot, a fool. |
nerk | a fool, an idiot. |
niaiserie | (Fr.) simplicity; foolishness. |
nickumpoop | a fool; a silly or stupid person. |
nicompoop | a fool; a silly or stupid person. |
nincom | (Short for) nincompoop. |
nincompoop | a fool; a silly or stupid person. |
nincompoopery | the state of being a nincompoop. |
nincum | (Short for) nincompoop. |
ninny | a foolish person. |
ninnyhammer | a ninny, a foolish person. |
ninnyish | characteristic of a ninny; foolish. |
nitwit | a stupid person. |
nitwitted | stupid. |
nitwittedness | the state of being nitwitted. |
nitwittery | the state of being a nitwit. |
noddy | easy to understand (noun) a simpleton |
nong | (Aust. sl.) a fool, an idiot. |
nonny | a silly fellow. |
noodledom | the state of being a blockhead. |
numbhead | a stupid person; dolt; blockhead. |
numbnut | an idiot. |
numbnuts | an idiot. |
numbskull | a stupid person. |
numbskulled | stupid, doltish. |
numpkin | a stupid person. |
numpty | (Scots) an idiot. |
numskull | a stupid person. |
numskulled | stupid; doltish. |
oanshagh | (Irish) a foolish woman or girl. |
obtuse | stupid. |
obtusely | (Adv.) OBTUSE, stupid. |
obtusity | obtuseness. |
omadhaun | (Irish) a fool, idiot, simpleton. |
outfool | to exceed in folly. |
oxhead | a dolt, a blockhead. |
patsy | a person who is ridiculed, deceived, blamed, or victimized. |
peabrain | a stupid person. |
pigsconce | a blockhead. |
pillock | an idiot, a twit. |
pinhead | the head of a pin; a stupid person. |
pinheaded | stupid. |
pinheadedness | the state of being pinheaded, stupid. |
poopy | stupid or ineffectual. |
prat | (Coll.) an idiot. |
rattlebrain | a foolish and talkative person. |
rube | (US sl.) a bumpkin, an easy mark. |
rustic | of or like the country (noun) one who lives in the country |
rustical | rustic (noun) a rustic |
rustically | (Adv.) RUSTICAL, rustic. |
rusticial | (Scott) rustic. |
rusticise | to make rustic. |
rusticity | a rustic manner; simplicity; rudeness. |
rusticize | to make rustic. |
rusticly | (Adv.) RUSTIC, countrified. |
saphead | a weak-minded, stupid fellow. |
sapheaded | dopy, weak-minded. |
sawney | a fool, a simpleton. |
schlemiel | (Yiddish) an unlucky or incompetent person who is often duped. |
schlub | (Yiddish) a stupid or unattractive person. |
schmo | (Yiddish) a stupid or boring person. |
schmock | (Yiddish) a stupid or boring person. |
schmoe | (Yiddish) a stupid or boring person. |
schmuck | (Yiddish) a pitiful, stupid or obnoxious person; (verb) to hit or flatten. |
schmucky | acting like a schmuck, foolish, contemptible. |
shithead | a stupid person. |
shlub | (Yiddish) a stupid or unattractive person. |
shmo | (Yiddish) a stupid or boring person. |
shmock | (Yiddish) a stupid or boring person. |
shmoe | (Yiddish) a stupid or boring person. |
shmuck | (Yiddish) a pitiful, stupid or obnoxious person. |
sillily | (Adv.) SILLY, foolish. |
silliness | the state of being silly. |
silly | foolish (noun) a silly person |
simp | (Short for) a simpleton. |
simpleton | a feebleminded person. |
slabberer | one who slabbers, or drools; hence, an idiot. |
softhead | a simpleton. |
softheaded | having or indicative of a weak, unrealistic, or uncritical mind. |
softheadedly | (Adv.) SOFTHEADED, having or indicative of a weak, unrealistic, or uncritical mind. |
staumrel | a dolt. |
stockish | like a stock; stupid. |
stockishly | (Adv.) STOCKISH, like a stock; stupid. |
stupid | foolish (noun) a stupid person |
stupidity | the quality of being stupid. |
stupidly | (Adv.) STUPID, foolish. |
stupidness | the state of being stupid. |
sumph | (Scots) a dunce, a blockhead. |
sumphish | (Scots) stupid, doltish. |
sumphishness | the state of being sumphish, stupid. |
taupie | (Scots) a foolish or awkward young person. |
tawpie | (Scots) a foolish or awkward young person. |
thickhead | a thickheaded or stupid person; any bird of an Australian family related to flycatchers. |
thickheaded | stupid. |
thickheadedness | the state of being thickheaded. |
thickie | a stupid person. |
thicko | (Coll.) a stupid person. |
thicky | a stupid person. |
thimblewit | a silly or dimwitted person; a dunce. |
thimblewitted | silly, dimwitted. |
tomfoolish | foolish. |
tomfoolishness | the state of being tomfoolish. |
tony | high-toned (noun, obs.) a simpleton |
tumphy | (Scots) a blockhead; coaly fireclay. |
twerp | a foolish person. |
twerpy | like a twerp, a foolish person. |
twinkie | (Tradename) a stereotypically brainless person. |
twinky | (Tradename) a stereotypically brainless person. |
twirp | a foolish person. |
twirpy | like a twirp, a foolish person. |
twittingly | (Adv.) TWITTING. |
twittish | silly, foolish. |
twp | (Welsh) dimwitted or stupid. |
underwit | inferior wit; halfwit. |
unwise | not wise. |
unwisely | (Adv.) UNWISE, not wise. |
unwiseness | the state of being unwise. |
wallie | an idiot or imbecile. |
wally | (Scots) fine, excellent (noun) an idiot or imbecile |
witless | lacking intelligence. |
witlessly | (Adv.) WITLESS, lacking intelligence. |
witlessness | the state of being witless. |
wittol | (Arch.) a husband who accepts his wife's infidelity. |
wittolly | (Shakesp.) like a wittol, a husband who accepts his wife's infidelity. |
wof | (Aust. sl.) a fool, idiot. |
wommit | a foolish person. |
woodenhead | (Coll.) a blockhead, a stupid person. |
woodenheaded | having a wooden head; dense, stupid. |
woodentop | a uniformed policeman, a dimwit. |
woollyback | (Coll.) a country bumpkin. |
yampy | (Dial.) a foolish person. |
yokel | a country bumpkin. |
yokelish | like a yokel. |