nefarious
Nefarious (adj) means Wicked or criminal, especially in a way that is notorious or widely condemned. Example: “The gang was finally caught after years of nefarious activity.”
How to use nefarious
Learner’s notesIn plain EnglishDeeply wicked or criminal — usually said of plans, plots, or deeds rather than everyday bad behaviour.
A formal, slightly dramatic word — often used almost tongue-in-cheek about villains and schemes.
Word forms
more nefarious comparative, most nefarious superlative
Fill the gap
Can you complete this real example?
The gang was finally caught after years of _____ activity.
Etymology
From Latin nefarius, "wicked" — built from ne- ("not") and fas ("what is right in the eyes of the gods").
Rhymes for nefarious
See all rhymes for nefarious →Frequently asked questions
What does “nefarious” mean?
The word “nefarious” means wicked or criminal, especially in a way that is notorious or widely condemned. In plain terms, deeply wicked or criminal — usually said of plans, plots, or deeds rather than everyday bad behaviour.
How do you pronounce “nefarious”?
“Nefarious” is pronounced nih-FEH-uh-ree-uhs (/nɪˈfɛəɹi.əs/ in IPA).
How do you use “nefarious” in a sentence?
Here is “nefarious” used in a sentence: “The gang was finally caught after years of nefarious activity.”
What part of speech is “nefarious”?
“Nefarious” is an adjective.
Where does the word “nefarious” come from?
The word “nefarious” comes from Latin. From Latin nefarius, "wicked" — built from ne- ("not") and fas ("what is right in the eyes of the gods").