The meaning of NEFARIOUS is flagrantly wicked or corrupt : evil. How to use nefarious in a sentence. Did you know? Synonym Discussion of Nefarious.

NEFARIOUS meaning: 1. (especially of activities) morally bad: 2. (especially of activities) morally bad: . Learn more.

NEFARIOUS definition: extremely wicked or villainous; iniquitous. See examples of nefarious used in a sentence.

Describe a person's actions as nefarious if they are evil or wicked. Batman and Superman are always fighting evildoers and stopping their nefarious plots.

Definition of nefarious adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Sep 5, 2025 · nefarious (comparative more nefarious, superlative most nefarious) Sinful, villainous, criminal, or wicked, especially when noteworthy or notorious for such characteristics. synonyms …

There is one meaning in OED's entry for the adjective nefarious. See ‘Meaning & use’ for definition, usage, and quotation evidence.

Define nefarious. nefarious synonyms, nefarious pronunciation, nefarious translation, English dictionary definition of nefarious. adj. Infamous by way of being extremely wicked. ne·far′i·ous·ly adv. …

nefarious - WordReference English dictionary, questions, discussion and forums. All Free.

Evil; wicked; sinful.... Click for English pronunciations, examples sentences, video.