Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
| abnormal | not normal > ABNORMALLY; (noun) one who is abnormal > ABNORMALS. |
| barmie barmy | dotty; also foamy > BARMIER, BARMIEST. |
| barminess | the state of being barmy, dotty. |
| batshit | completely mad. |
| battiness | the state of being BATTY. |
| batty | crazy > BATTIER, BATTIEST. |
| beatnik | a member of the beat generation. |
| bedlamism | anything characteristic of madness. |
| bedlamite | an inhabitant of a madhouse; a madman. |
| bemad bemadden | to make mad. |
| bestraught | out of one's senses; distracted; mad. |
| bizarro | a bizarre person > BIZARROS. |
| bonkers | crazy. N.B. no BONKER*. |
| brainsick | diseased in the understanding, deranged > BRAINSICKLY. |
| computernik | a computer enthusiast. |
| coocoo | crazy. |
| crackberry | a BlackBerry handheld computer, particularly one used obsessively; a person who uses such a computer obsessively. |
| crackbrain | a crazy person. |
| crackers | crazy. |
| crackpot | an eccentric person. |
| craziness | the state of being CRAZY. |
| crazy | mentally unbalanced > CRAZIER, CRAZIEST; CRAZILY; (noun) a mentally unbalanced person >CRAZIES. |
| cuckoo | crazy. |
| daffy | mildly DAFT > DAFFIER, DAFFIEST, DAFFILY; (noun) a daffodil. |
| daft | silly, weak-minded, insane > DAFTER, DAFTEST; DAFTLY. |
| daftie | a daft person. |
| dement dementate | to deprive of reason. |
| demented | mad > DEMENTEDLY. |
| dementedness | the state of being DEMENTED. |
| derange | to disorder, make mad. |
| detraque | a (male) person who is deranged. |
| detraquee | a (female) person who is deranged. |
| dippiness | the state of being DIPPY. |
| dippy | crazy, insane > DIPPIER, DIPPIEST. |
| ditsy | amiably eccentric > DITSIER, DITSIEST. |
| ditsiness | the state of being DITSY. |
| ditzy | amiably eccentric > DITZIER, DITZIEST. |
| ditziness | the state of being DITZY. |
| doiled | (Scots) crazy, foolish. |
| doilt | crazy, foolish > DOILTER, DOILTEST. |
| doolally | characterized by an unbalanced state of mind [spoken form of Deolali, India, where British soldiers who had completed their tour of duty were sent to await transportation home]. |
| dotty | feeble-minded, insane; harmlessly eccentric >DOTTIER, DOTTIEST; DOTTILY. |
| dropout | one who drops out of normal society. |
| eccentric | one who departs from the norm. |
| ecofreak | one who worries about the environment. |
| fanboy | an obsessively enthusiastic fan of an element of popular culture, esp comic books or films. |
| fantastic | a person who has fanciful ideas or indulges in wild notions. |
| fantastico | an absurd or irrational person; an eccentric; a fantastically-dressed person >FANTASTICOES. |
| folie | madness. |
| freaky | eccentric > FREAKIER, FREAKIEST; FREAKILY. |
| fruitcake | a slightly mad person. |
| furioso | a furious or mad person > FURIOSOS. |
| gadgeteer | someone who delights in gadgets. |
| gaga | in senile dotage. |
| geek | a weirdo, a nerd. [Originally a carnival barker who attracted visitors to sideshows by biting the heads of live chickens or snakes]. |
| geekdom | the world of GEEKS. |
| geekery geekism | the state of being a GEEK. |
| geekiness | the quality of being GEEKY. |
| geeky | like a GEEK, a weirdo >GEEKIER, GEEKIEST. |
| gonzo | having a bizarre, subjective, idiosyncratic style, especially in journalism; (noun) a wild crazy person > GONZOS. |
| harebrained hairbrained | crazy, crackpot. |
| headcase | a person whose behaviour is violent and unpredictable, or markedly eccentric. |
| hippie | a nonconformist. |
| hippiedom hippydom | the world of the HIPPIE. |
| hippieish | like a HIPPIE. |
| hippiness | the state of being a hippy. |
| hippy | a non-conformist; (adj.) having large hips >HIPPIER, HIPPIEST. |
| hippydom | see HIPPIEDOM. |
| hyte | insane. |
| insane | mentally unsound > INSANER, INSANEST; INSANELY. |
| insaneness | insanity; madness. |
| insanity | the state of being insane; something utterly foolish. |
| kook | an eccentric person; (verb) to dart in and out of sight. |
| kookie kooky | with the qualities of a KOOK > KOOKIER, KOOKIEST; KOOKILY. |
| kookiness | the state of being KOOKY. |
| loco | crazy; (verb) to poison with locoweed >LOCOS or LOCOES, LOCOING, LOCOED. |
| looney | crazy > LOONIER, LOONIEST; (coll.) a lunatic. |
| looniness | the state of being LOONY. |
| loony | a lunatic > LOONIES; (adj.) crazy >LOONIER, LOONIEST; LOONILY. |
| loopiness | the state of being LOOPY. |
| loopy | crazy > LOOPIER, LOOPIEST; LOOPILY. |
| luftmensch | an impractical dreamer having no definite business or income >LUFTMENSCHEN. |
| lunacy | insanity. |
| lunatic | an insane person. |
| lunatical | crazy > LUNATICALLY. |
| luniness | the state of being LUNY. |
| luny | loony > LUNIER, LUNIEST; (noun) a loony person >LUNIES. |
| mad | insane > MADDER, MADDEST; MADLY; (verb) to drive mad >MADS, MADDING, MADDED. |
| madbrain | hot-headed; rash; (noun) a mad person > MADBRAINS. |
| madcap | a madly impulsive person. |
| madden | to make or become mad. |
| maddingly | in a manner to make mad. |
| maddish | somewhat mad. |
| madling | a mad person. |
| madman | a man who is insane. |
| madness | the state of being mad. |
| madwoman | a woman who is insane. |
| maniac | an insane person. |
| maniacal | like a MANIAC > MANIACALLY. |
| mattoid | a person on the borderline between sanity and insanity. [Coined by Cesare Lomroso from Italian matto, insane]. |
| mazed | crazed, confused. |
| meemie | a hysterical person. |
| meshuga | mad, crazy; (noun) a mad person >MESHUGAS. |
| meshugaas | madness, foolishness > MESHUGAASEN or MESHUGASEN |
| meshugah meshugga meshuggah meshugge | mad, crazy. |
| meshuggenah meshuggeneh meshuggener | a fool, a crazy person. |
| mishegaas | madness, foolishness > MISHEGAASEN. |
| mishegoss | madness, foolishness. |
| moidered | crazed, confused. |
| mooner | one who abstractedly wanders or gazes about, as if moonstruck. |
| nerd nurd | a person obsessed with computers at the expense of human interaction. |
| nerdiness | the state of being NERDY. |
| nerdish | nerdy. |
| nerdy nurdy | clumsy, socially inept > NERDIER, NERDIEST. |
| nettie nethead | a person enthusiastic about the Internet. |
| noisenik | a rock musician who performs loud harsh music. |
| notionist | one whose opinions are ungrounded notions. |
| nurdish | somewhat like a NURD. |
| nurdy | like a NURD > NURDIER, NURDIEST. |
| nutcase nutjob | a crazy person. |
| nutso | insane; (noun) a mad person > NUTSOS. |
| nutsy | crazy > NUTSIER, NUTSIEST. |
| nutter | a crazy person. |
| nutty | crazy > NUTTIER, NUTTIEST. |
| oddball | an eccentric person. |
| otaku | in Japan, young computer nerds > OTAKUS. |
| peacenik | one who demonstrates against war. [It is, of course, weird that some people should think this weird]. |
| petrolhead | a motor vehicle enthusiast. |
| phantasim phantasime | a fantastic person. |
| phantast | a visionary, a dreamer; a flighty impulsive person. |
| pixilated pixillated | slightly unbalanced mentally, bemused. |
| poddie | a user of an I-pod. |
| porangi | (Maori) crazy. |
| pottiness | the state of being POTTY. |
| potty | mildly crazy > POTTIER, POTTIEST; (noun) a receptacle for urine. |
| pubcrawler | one who engages in pub-crawls. |
| quixote | a quixotic person. |
| scatterbrain | a giddy heedless person. |
| scatterbrained | having the characteristics of a SCATTERBRAIN. |
| scatty | crazy, foolish > SCATTIER, SCATTIEST; SCATTILY. |
| screwball | a crazy person, an eccentric. |
| screwy | eccentric, slightly mad > SCREWIER, SCREWIEST. |
| sickee sickie sicko | an emotionally sick person. |
| teched tetched | crazy. |
| uncrazy | not crazy > UNCRAZIER, UNCRAZIEST. |
| viewy | having views considered odd or fanciful > VIEWIER, VIEWIEST. |
| wack | crazy > WACKER, WACKEST; (noun) an eccentric, mad, or crazy person; a crackpot. |
| wackiness | the state of being WACKY. |
| wacko | mad, eccentric; (noun) a mad, eccentric person > WACKOS or WACKOES |
| wacky | mad, eccentric > WACKIER, WACKIEST; WACKILY. |
| webhead | a devoted user of the Web. |
| weirdie weirdy | a strange person. |
| weirdo | a strange person > WEIRDOES or WEIRDOES. |
| whacko | mad, eccentric; (noun) a person who is whacko >WHACKOES or WHACKOS. |
| whacky | eccentric > WHACKIER, WHACKIEST. |
| wifty | amiably eccentric, ditsy > WIFTIER, WIFTIEST. |
| wiggy | crazy > WIGGIER, WIGGIEST. |
| workaholic | one who is excessively fond of work. |
| wowf | crazy > WOWFER, WOWFEST. |
| yippie yippy | a member of a radical political group founded in 1967 with ideals based on those of the hippies. |
| zany | clownish, amusingly eccentric; (noun) a clown; (verb) to play the zany. |