whistle

US /ˈhwɪsəl, ˈwɪs-/

UK /ˈwɪsl/

B1

noun

  • Device making a high sharp sound when blown
  • High sound made by forcing air through your lips

verb

  • To make a high sound by forcing air through lips

Examples

Men whistled at her in the street.

She gave a low whistle of admiration.