Meaning of sus in English:

sus

Pronunciation /sʌs/

adjective

  • 1informal Giving the impression that something is questionable or dishonest; suspicious.

    • ‘it's a little sus that he seems to know exactly how to play this game’
  • 2British informal, historical Relating to or denoting a law under which a person could be arrested on suspicion of having committed an offence.

    • ‘the sus law’

noun

mass nouninformal British
  • Suspicion of having committed a crime.

    • ‘he was picked up on sus’

Origin

1930s from suspicious or suspicion.