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nefarious

Pronunciation: /nɪˈfɛːrɪəs/
Definition of nefarious

adjective

  • (typically of an action or activity) wicked or criminal:the nefarious activities of the organized-crime syndicates

Derivatives

nefariously

adverb

nefariousness

noun

Origin:

early 17th century: from Latin nefarius, from nefas, nefar- 'wrong' (from ne- 'not' + fas 'divine law') + -ous

nefarious in other Oxford dictionaries

Definition of nefarious in the US English dictionary

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