B1adjectiveformal5K

Sinister

UK //ˈsɪnɪstə//US //ˈsɪnɪstɚ//

Definition

Having an evil or malevolent quality; suggesting harm or danger.

In simple words: Something bad or evil that causes worry.

Examples

  • The sinister music in the movie made me feel anxious.
  • There was a sinister atmosphere in the abandoned house.
  • The politician's sinister motives were revealed in the investigation.
  • She cast a sinister glance at her opponent.
  • Reports of a sinister figure in the park circulated among the children.

Usage notes

Use 'sinister' to describe a feeling or an atmosphere that seems threatening or evil. It is more common in formal contexts.

Grammar pattern

standalone adjective

Memory hint

Think of 'sinister' like 'sin'; something that feels wrong or evil.

Collocations

  • sinister plan
  • sinister smile
  • sinister character

Synonyms

  • evil
  • malevolent
  • ominous
  • threatening
  • wicked

Antonyms

  • benevolent
  • harmless
  • kind

Common mistakes

  • Used interchangeably with 'mysterious' without understanding the negative connotation.
  • Confused with 'sinisterly', the adverb form, when trying to describe actions.