Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Thesaurus

nefarious

adjective

Synonyms and Antonyms of nefarious

  1. not conforming to a high moral standard; morally unacceptable <the chaste heroines and nefarious villains of old-time melodramas> Synonyms black, dark, evil, immoral, iniquitous, bad, rotten, sinful, unethical, unlawful, unrighteous, unsavory, vicious, vile, villainous, wicked, wrongRelated Words base, contemptible, despicable, dirty, disreputable, evil-minded, ignoble, ill, infernal, low, mean, snide, sordid; atrocious, cruel, infamous, nasty; blamable, blameworthy, censurable, objectionable, obscene, offensive, reprehensible; corrupt, debased, debauched, degenerate, depraved, dissolute, libertine, loose, low-minded, perverted, reprobate, scrofulous, sick, unhealthy; cursed (also curst), cussed, defiling, noxious, pernicious, pestilential, ugly, ungodly, unwholesome; banned, barred, condemned, discouraged, forbidden, illegal, interdicted, outlawed, prohibited, proscribed, unauthorized, unclean; disallowed; execrable, lousy, miserable, wretched; errant, erring, fallen, unprincipled, unscrupulous; improper, incorrect, indecent, indecorous, naughty, unbecoming, unseemly, vulgar; dishonest, dishonorableNear Antonyms elevated, high, high-minded, law-abiding, legitimate, lofty, noble, principled, reputable, scrupulous; allowed, authorized, legal, licensed, permissible, permitted; approved, endorsed (also indorsed), sanctioned; abetted, encouraged, promoted, supported; clean, correct, decent, decorous, exemplary, proper, seemly; blameless, commendable, creditable, guiltless, legitimate; chaste, immaculate, incorruptible, innocent, inoffensive, irreproachable, lily-white, perfect, pure, spotless, squeaky-clean, uncorrupted, unerring, unfallen, unobjectionable, venerable, white, wholesome; esteemed, respected, upstanding, worthyAntonyms decent, ethical, good, honest, honorable, just, moral, right, righteous, sublime, upright, virtuous




Learn More about nefarious


Seen and Heard

What made you want to look up nefarious? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a timid, meek, or unassertive person

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alt-5746713d76276

Which of these is a synonym of nonplus?

soothe disapprove reduce perplex
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ