nefarious

adjectiveISEE/SSAT medium word/nəˈfer.i.əs/

Meaning: extremely wicked or villainous

nefarious in a sentence

How nefarious is used in real sentences:

The villain had a nefarious plan to steal the jewels.

“Arturo suspected a nefarious effort to conceal a leaking chemical tank; altered dates appeared on three safety forms.”
— from the passage The Slanted Signature

Synonyms for nefarious

Other words for nefarious — wicked, villainous and heinous — carry the same meaning.

wicked
villainous
heinous

Antonyms of nefarious

Words that mean the opposite of nefarious:

virtuous
honorable
good

Where it comes from

From Latin nefas 'unlawful, wrong'

Memory hook

NEFARIOUS sounds like 'ne-VERY-ous' bad.

Practice nefarious in the app

Study these too

ambivalent
arduous
benevolent
bolster
callous
copious

All words starting with N All medium words