Synonyms of nefarious in English:

nefarious


See definition of nefarious

adjective

1‘the nefarious activities of the bodysnatchers’

SYNONYMS
wicked, evil, sinful, iniquitous, villainous, criminal, heinous, atrocious, appalling, abhorrent, vile, foul, base, abominable, odious, depraved, corrupt, shameful, scandalous, monstrous, fiendish, diabolical, devilish, unholy, ungodly, infernal, satanic, dark, unspeakable, despicable, outrageous, shocking, disgraceful
archaic knavish, dastardly
rare egregious, flagitious
ANTONYMS

good, admirable