wicked

Synonyms: abandoned abominable amoral arch atrocious bad news base contemptible debased degenerate depraved devilish dissolute egregious evil fiendish flagitious foul gross guilty heartless heinous immoral impious impish incorrigible indecent iniquitous irreligious low-down mean mischievous nasty naughty nefarious profane reprobate rotten scandalous shameful shameless sinful unethical unprincipled unrighteous vicious vile villainous wayward worthless

Antonyms: decent good moral nice

Synonyms: acute agonizing awful barbarous bothersome chancy crashing dangerous difficult distressing dreadful fearful fierce galling harmful hazardous injurious intense mean mighty offensive outrageous painful perilous pesky risky severe terrible treacherous troublous trying ugly uncivilized unconscionable ungodly unhealthy unholy unpleasant unsound vexatious

Antonyms: aiding assisting helpful useful worthwhile

Synonyms: able adept adroit au fait capable clever competent deft good masterly mighty outstanding powerful pretty qualified skillful strong

Antonyms: amateur