Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “whistle”

See all translations

whistle

verb uk   /ˈwɪs.l̩/ us  
B2 [I or T] to make a high sound by forcing air through a small hole or passage, especially through the lips, or through a special device held to the lips: He whistled as he worked. On the days when she wore a skirt the men on the building site would whistle at her. Someone was whistling Beatles tunes outside my window. The referee whistled and the game was over. [I + adv/prep] to make a long, high sound while moving quickly through or past something: She heard the wind whistling through the trees and the howl of a distant wolf. I stepped out of the building and immediately a bullet whistled past my head. [I] When birds whistle, they sing in high musical notes: The birds were whistling in the early morning quiet.
More examples

whistle

noun [C] uk   /ˈwɪs.l̩/ us  
B2 the sound made by someone or something whistling: From the bottom of the garden I recognized my father's tuneless whistle. It sounded like the whistle of an old-fashioned steam train. She listened to the whistle of the wind through the trees. an object that you hold to your lips and blow through in order to make a loud, high sound: The referee blew his whistle for half-time.
(Definition of whistle from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of whistle?
Add Cambridge dictionaries to your browser to your website

Definitions of “whistle” in other dictionaries

Word of the Day

pot luck

anything that is available or is found by chance, rather than something chosen, planned, or prepared

Word of the Day

Think long and hard; the language of decisions

by Liz Walter,
January 28, 2015
One of the best ways (perhaps the best way) to improve your English is to learn how words go together in phrases, idioms, or other patterns such as verb/noun or adjective/noun pairs (often called ‘collocations’). This blog looks at some useful phrases and collocations connected with the subject of decisions, something we

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More