whistle

Fetched 2026-11-03 (live).

Synonyms: whittle, thistle, whistly, whirtle

Antonyms: whittle, thistle, whistly, whirtle

Related words from Datamuse; suggestions, not definitions.

Noun

1. A device designed to be placed in the mouth and blown, or driven by steam or some other mechanism, to make a whistling sound.
2. An act of whistling.
3. A shrill, high-pitched sound made by whistling.
4. Any high-pitched sound similar to the sound made by whistling.
   • the whistle of the wind in the trees
5. A suit (from whistle and flute).
6. The mouth and throat; so called as being the organs of whistling.

Verb

1. To make a shrill, high-pitched sound by forcing air through the mouth. To produce a whistling sound, restrictions to the flow of air are created using the teeth, tongue and lips.
   • Never whistle at a funeral.
   • He was whistling a happy tune.
2. To make a similar sound by forcing air through a musical instrument or a pipe etc.
   • The steam train whistled as it passed by.
3. To move in such a way as to create a whistling sound.
   • A bullet whistled past.
4. To send, signal, or call by a whistle.
5. To request admission to Opus Dei, a Roman Catholic organization.

Source: Wiktionary · CC BY-SA 3.0 (Wiktionary) · cached copy, not a rewrite.