“Nefarious” means evil, wicked, or morally bad , especially when describing actions, plans, or behavior. A simple example: “The villain had a nefarious scheme” means the scheme was harmful and sinister.

Quick meaning

  • Nefarious = very bad, villainous, or criminal.
  • It’s a formal word, so it’s more common in writing than casual speech.
  • People often use it for schemes, acts, or activities that are dishonest or harmful.

Easy examples

  • “The company was accused of nefarious practices.”
  • “The detective uncovered a nefarious plot.”

Similar words

  • Evil
  • Wicked
  • Sinister
  • Villainous
  • Immoral

TL;DR: Nefarious means very evil or morally wrong, usually in a formal or dramatic way.