Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
| abomination | something abominable. |
| arrant | thoroughgoing; notoriously or outstandingly bad. |
| arrantly | (Adv.) ARRANT, thoroughgoing; notoriously or outstandingly bad. |
| atrocious | terrible. |
| atrociously | (Adv.) ATROCIOUS, terrible. |
| awful | very bad. |
| awfully | (Adv.) AWFUL, very bad. |
| awfulness | the state of being awful. |
| bad | evil, wicked (noun) something evil |
| baddie | a bad person. |
| baddish | not very good. |
| baddy | a bad person. |
| badly | (Adv.) BAD, evil, wicked. |
| badness | the state of being bad. |
| baleful | foreboding or threatening evil. |
| balefully | (Adv.) BALEFUL, foreboding or threatening evil. |
| botchily | (Adv.) BOTCHY, full of botches. |
| botchiness | the state of being botchy, full of botches. |
| botchy | full of botches. |
| calamitous | disastrous. |
| calamitously | (Adv.) CALAMITOUS, disastrous. |
| cheesily | (Adv.) CHEESY, having a popular appeal in spite of being artificial or inferior. |
| cheesy | (Sl.) having a popular appeal in spite of being artificial or inferior. |
| corruptive | tending to corrupt. |
| corruptively | (Adv.) CORRUPTIVE, tending to corrupt. |
| corruptor | someone or something that corrupts. |
| cronk | (Aust. coll.) ill; of poor quality. |
| crumminess | the state of being crummy. |
| delinquency | a delinquent act. |
| depravation | the act of depraving. |
| deprave | to corrupt in morals. |
| depravedly | (Adv.) DEPRAVED. |
| depravedness | the state of being depraved. |
| depravement | (Arch.) vitiation. |
| depraver | one who depraves. |
| depravingly | (Adv.) DEPRAVING. |
| depravity | wickedness. |
| deteriority | (Obs.) worseness. |
| devilish | fiendish. |
| devilishly | (Adv.) DEVILISH, fiendish. |
| devilishness | the state of being devilish. |
| devilment | deviltry. |
| devilry | devilish behaviour. |
| deviltry | devilish behaviour. |
| diabolic | devilish. |
| diabolically | (Adv.) DIABOLICAL, devilish. |
| diabolise | to convert into a devil, render diabolical. |
| diabolize | to convert into a devil, render diabolical. |
| dire | dreadful. |
| direful | dreadful. |
| direfully | (Adv.) DIREFUL, dreadful. |
| direfulness | the state of being direful. |
| direly | (Adv.) DIRE, dreadful. |
| direness | the state of being dire. |
| disastrous | attended by or causing suffering or disaster. |
| disastrously | (Adv.) DISASTROUS, attended by or causing suffering or disaster. |
| draffish | worthless. |
| draffy | worthless. |
| dreck | (Yiddish) inferior merchandise, rubbish. |
| dreckish | like dreck, rubbish. |
| drecky | rubbishy. |
| drek | (Yiddish) inferior merchandise, rubbish. |
| drekkish | like drek, rubbish. |
| drekky | rubbishy. |
| eale | (Shakesp.) evil; (verb) to ail. |
| egregious | conspicuously bad or offensive. |
| egregiously | (Adv.) EGREGIOUS. |
| evil | bad (noun) something bad |
| evildoer | one that does evil. |
| evilly | (Adv.) EVIL, wicked. |
| evilness | the quality of being evil. |
| execrable | detestable, wretched. |
| execrableness | the state of being execrable. |
| execrably | (Adv.) EXECRABLE, detestable, wretched. |
| facinerious | (Shakesp.) extremely wicked. |
| facinorous | (Arch.) extremely wicked. |
| facinorousness | (Arch.) the state of being facinorous, extremely wicked. |
| faultful | (Shakesp.) full of faults or sins. |
| fellness | destructive cruelty. |
| festy | (Aust. sl.) very bad. |
| fiend | a devil; a person driven by the most intense wickedness or hate. |
| fiendish | like a fiend. |
| fiendishly | (Adv.) FIENDISH, like a fiend. |
| fient | (Scots) a fiend, a devil. |
| flagitious | marked by scandalous crime or vice; villainous. |
| flagitiously | (Adv.) FLAGITIOUS. |
| flagitiousness | the quality of being flagitious, villainous. |
| flawy | full of flaws, defective. |
| flooey | awry. |
| flooie | awry. |
| foobar | fucked up beyond all repair. |
| foul | dirty, repulsive (verb) to make dirty |
| foully | (Adv.) FOUL, dirty. |
| fubar | fucked up beyond all repair. |
| furshlugginer | (Yiddish) well-worn, beat-up. |
| godawful | extremely unpleasant. |
| godless | having, or acknowledging, no God; impious; wicked. |
| godlessly | (Adv.) GODLESS, having, or acknowledging, no God. |
| grotty | wretchedly shabby; of a poor quality. |
| heinous | hatefully or shockingly evil. |
| heinously | (Adv.) HEINOUS, hatefully or shockingly evil. |
| heinousness | hateful or shocking evil. |
| hellhole | a horrible place. |
| hellish | horrible. |
| hellishly | (Adv.) HELLISH, horrible. |
| hellishness | the state of being hellish. |
| hideous | very ugly. |
| hideously | (Adv.) HIDEOUS, very ugly. |
| hideousness | the state of being hideous. |
| horrible | dreadful (noun) something horrible |
| horribly | (Adv.) HORRIBLE, dreadful. |
| horrid | nasty, repellent. |
| horridly | (Adv.) HORRID, nasty, repellent. |
| horridness | the quality of being horrid. |
| immoralism | rejection of morality. |
| immoralist | a person who practises immorality. |
| immorality | the state of being immoral. |
| iniquitous | characterized by gross wickedness. |
| iniquitously | (Adv.) INIQUITOUS, characterized by gross wickedness. |
| iniquity | wickedness; gross injustice. |
| inquinate | to corrupt or defile. |
| inquination | the act of inquinating. |
| litherly | (Obs.) mischievous. |
| lousily | (Adv.) LOUSY, bad. |
| lousiness | the state of being lousy. |
| lousy | full of lice, bad. |
| malefaction | evildoing. |
| malefic | having a malignant influence, baleful. |
| malefically | (Adv.) MALEFIC, having a malignant influence. |
| malefice | (Arch.) an evil deed; an enchantment. |
| maleficence | the act of committing harm or evil. |
| malevolence | the state of being malevolent. |
| malformed | badly formed. |
| malign | evil (verb) to speak evil of |
| malignance | the state of being malignant. |
| malignity | the quality of being malign. |
| malignly | (Adv.) MALIGN, evil. |
| malignment | a malign act. |
| maltalent | (Spenser) ill-will. |
| mauvais | (Fr.) bad, wicked. |
| mauvaise | (Fr.) bad, wicked. |
| mesquin | (Fr.) mean, sordid, shabby. |
| mesquine | (Fr.) mean, sordid, shabby. |
| mesquinerie | (Fr.) the quality of being mesquin, mean. |
| misagent | a bad agent. |
| misdeed | an evil act. |
| nastily | (Adv.) NASTY, unpleasant. |
| nastiness | the state of being nasty. |
| nasty | unpleasant (noun) something or someone unpleasant |
| nefandous | unspeakable, unmentionable. |
| nefarious | evil, wicked. |
| nefariously | (Adv.) NEFARIOUS, evil, wicked. |
| nefariousness | the state of being nefarious. |
| nefast | (Lat.) wicked. |
| obnoxious | unpleasant. |
| obnoxiously | (Adv.) OBNOXIOUS, unpleasant. |
| obnoxiousness | the state of being obnoxious. |
| offense | (US) a violation of a moral or social code. |
| oncus | (Aust. sl.) disordered, bad. |
| onkus | (Aust. sl.) disordered, bad. |
| outsin | to surpass in sinning. |
| outvillain | (Shakesp.) to exceed in villainy. |
| peccadillo | (Spanish) a slight offence or sin. |
| peccancy | sinfulness; transgression. |
| peccant | sinning; guilty of transgression; as, peccant angels. |
| peccantly | (Adv.) PECCANT, sinning. |
| pejorate | to make worse. |
| peskily | (Adv.) PESKY, plaguy, pestiferous. |
| peskiness | the state of being pesky. |
| pesky | (Coll.) plaguy, pestiferous. |
| pessimal | least favourable. |
| pestful | pestilential. |
| pesty | resembling a pest. |
| plaguily | (Adv.) PLAGUY, vexatious. |
| plaguy | (Arch.) vexatious. |
| pravity | wickedness. |
| punky | like a punk. |
| renk | in N. England dialect, horrible, unpleasant. |
| ribby | having prominent ribs; (sl.) nasty, seedy, squalid. |
| ropey | stringy, glutinous; poor in quality; unwell. |
| rottenly | (Adv.) ROTTEN, very bad. |
| satanity | devilishness. |
| scaffy | having little value, cheap. |
| shacky | dilapidated. |
| shleppy | shabby, rundown. |
| shlock | (Yiddish) of inferior quality; (noun) something of inferior quality. |
| shlocky | of poor quality. |
| shoddiness | the state of being shoddy. |
| shopsoiled | of goods, having deteriorated through handling in a shop. |
| sif | (S. Afr.) syphilitic, nasty. |
| sin | a moral offence; (verb) to commit sin. |
| sinful | marked by sin. |
| sinfully | (Adv.) SINFUL, marked by sin. |
| sinfulness | the state of being sinful. |
| sinister | threatening or portending evil. |
| sinisterly | (Adv.) SINISTER, threatening evil. |
| sinner | one who sins; (verb) to act as a sinner. |
| snafu | a bad situation; (verb) to fuck up. |
| snide | base (verb) to fill or load |
| snidely | (Adv.) SNIDE, base. |
| snidey | snide. |
| stukkend | (S. Afr.) broken or wrecked. |
| substandard | deviating from or falling short of a standard or norm. |
| suckiness | the state of being sucky. |
| sucky | not good. |
| superbad | very bad. |
| turpitude | inherent baseness, depravity. |
| unright | a wrong, a wrongdoing; (verb) to wrong or to make wrong. |
| unworth | lack of worth. |
| upta | (Aust. sl.) of poor quality. |
| upter | (Aust. sl.) of poor quality. |
| viciate | (Obs.) to impair the quality of, spoil. |
| viciosity | the state or character of being guilty of or devoted to vice or immorality. |
| vild | (Spenser) vile. |
| vilde | (Spenser) vile. |
| vildly | (Adv.) VILD, vile. |
| vildness | (Spenser) vileness. |
| vile | odious. |
| vilely | (Adv.) VILE, odious. |
| vileness | the state of being vile. |
| villainousness | the state of being villainous. |
| villainy | the state of being a villain. |
| villany | the state of being a villain. |
| virous | poisonous, foul. |
| vitiate | to impair the quality of. |
| vitiosity | the state or character of being guilty of or devoted to vice or immorality. |
| vrot | (Afrikaans) rotten; putrid; very bad. |
| war | a state of conflict; (verb) to make war (adj., obs.) worse |
| warst | (Scots) worst. |
| waurst | (Scots) worst. |
| wicked | bad, evil (noun) a wicked person |
| wickedly | (Adv.) WICKED, bad, evil. |
| wickedness | the state of being wicked. |
| wojus | (Irish slang) of a poor quality or low standard. |
| wonkily | (Adv.) WONKY, not working properly. |
| wonky | not working properly WONKILY. |
| wonkiness | lthe state of being wonky. |
| worser | worse. |
| wrang | (Dial.) a wrong; (verb) to wrong. |
| wrong | not according to what is right, proper, or correct (noun) something done wrongly to someone; (verb) to treat injuriously or unjustly |
| wrongdoing | evil or improper behavior or action. |
| wronger | one who wrongs another. |
| wrongful | wrong. |
| wrongfully | (Adv.) WRONGFUL, wrong. |
| wrongly | (Adv.) WRONG, not right. |
| wrongness | the state of being wrong. |
| wrongous | unjust; wrongful. |
| wrongously | (Adv.) WRONGOUS, unjust; wrongful. |
| yawnsome | dull and boring; tiresome. |
| yucko | (Aust. sl.) unpleasant. |