DictionarywhistleHigh clear sound
noun / verb

whistle

WISS-ul/ˈwɪsl/

A high, clear sound made by forcing air through a narrow opening.

The woman produces a high, clear whistle by blowing through the metal mouthpiece.

A close three-quarter view of a woman actively blowing a small metal whistle, with its mouthpiece between her lips and its open sound slot clearly visible.
Etymology

Old English hwistle named a pipe sounded by blowing. The noun later also named the sound produced by pursing the lips and blowing, connecting the instrument with a similar clear, breath-made sound.

In context

Mika Vilpas3:20
Then blow out and try to feel uh the air form a whistle between the tip of the tongue and the front teeth.
Palate / roof / open mouth whistle tutorial

More examples

  • She whistles a cheerful tune while washing the dishes.
  • Wind whistles through a crack in the window.
  • A loud whistle from the referee stops the game.

Forms

whistle · whistles · whistled · whistling

whistler noun — A person who makes whistling sounds.

Similar words

hiss
A breathy rushing sound rather than a clear musical tone.
squeal
A piercing cry or noise, often from excitement or friction.