Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “whistle”

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

for starters

used to say that something is the first in a list of things

Word of the Day

Come on – you can do it! Phrasal verbs with ‘come’.

by Liz Walter​,
November 19, 2014
As part of an occasional series on the tricky subject of phrasal verbs, this blog looks at ones formed with the verb ‘come’. If you are reading this blog, I’m sure you already know come from, as it is one of the first things you learn in class: I come from Scotland/Spain.

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More