Nefarious means evil, harmful, or criminal. When you say that someone is nefarious, you mean that they are doing something very bad and harmful.

  • The politician is very nefarious, because he is trying to get votes by any means necessary.

  • The company is doing nefarious things, because they are cheating on their tests.

Nearby Words

nefarious Pronunciation in a video

Example Sentences for nefarious

  • 1

    The deltions and complaints are not nefarious.

  • 2

    The purpose is not necessarily nefarious.

  • 3

    He is the greedy and nefarious leader.

  • 4

    The political goons ceased in their nefarious activities.

  • 5

    The word nefarious is creeping into my mind.

  • 6

    It's part of my nefarious background in the US Navy.

  • 7

    He was one of the most nefarious of Roman emperors.

  • 8

    I have to cross the River Tamar by nefarious means.

  • 9

    The city of Hyderabad is rife with the nefarious activities of land mafia.

  • 10

    This is partially due to the nefarious box office slump in 2005.