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nefarious

ne·far·i·ous

nefarious

 
pronunciation:
nih fer i s
part of speech: adjective
definition: very wicked; evil.
The pirate was hanged for his nefarious deeds.
synonyms:
atrocious, bad, evil, flagitious, heinous, iniquitous, malefic, ungodly, wicked
antonyms:
exemplary, good
similar words:
abominable, despicable, foul, immoral, infamous, miscreant, shameful, sinful, vicious, vile, villainous
derivations: nefariously (adv.), nefariousness (n.)