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 [I/T]  /ˈhwɪs·əl, ˈwɪs-/ us  
to make a musical sound by forcing the breath through a small passage between the lips or through a special device: [I] I whistled to my dog and she came running back. [I] fig. The wind whistled through the trees.

whistle

noun [C]  /ˈhwɪs·əl, ˈwɪs-/ us  
A whistle is also a device that makes a loud, high sound when you blow into it.
(Definition of whistle from the Cambridge Academic Content Dictionary © 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

thug

a man who acts violently, especially to commit a crime

Word of the Day

The way we move (Verbs for walking and running)

by Kate Woodford,
March 25, 2015
​​​ This week we’re looking at interesting ways to describe the way that people move. Most of the verbs that we’ll be considering describe how fast or slow people move. Others describe the attitude or state of mind of the person walking or running. Some describe both. Starting with verbs for walking slowly,

Read More 

crossfit noun

March 23, 2015
high-intensity strength training Two women in strappy dresses discussed how much weight they could snatch

Read More