whistle
Americanverb (used without object)
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whistles,
present (3rd person singular)
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whistled,
past participle, past
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whistling
present participle
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to make a clear musical sound, a series of such sounds, or a high-pitched, warbling sound by the forcible expulsion of the breath through a small opening formed by contracting the lips, or through the teeth, with the aid of the tongue.
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to make such a sound or series of sounds otherwise, as by blowing on some device.
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to emit similar sounds from the mouth, as birds do.
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(of a device) to produce a similar sound when actuated by steam or the like.
This teakettle whistles when it boils.
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to move, go, pass, etc., with a whistling or whizzing sound, as a bullet or the wind.
verb (used with object)
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whistles,
present (3rd person singular)
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whistled,
past participle, past
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whistling
present participle
-
to produce by whistling.
to whistle a tune.
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to call, direct, or signal by or as by whistling.
He whistled his dog over.
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to send with a whistling or whizzing sound.
noun
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whistles
plural
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an instrument for producing whistling sounds by means of the breath, steam, etc., as a small wooden or tin tube, a pipe, or a similar device with an air chamber containing a small ball that oscillates when air is forced through an opening, producing a high-pitched, warbling tone.
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a sound produced by whistling.
a prolonged whistle of astonishment.
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a simple fipple flute.
verb phrase
idioms
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whistle in the dark, to attempt to summon up one's courage or optimism in a difficult situation.
He says his business will improve next year, but he's probably just whistling in the dark.
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wet one's whistle, to take a drink.
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whistle past the graveyard. see whistle past the graveyard.
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blow the whistle on,
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to bring a stop to; halt.
Congress has blown the whistle on all unnecessary expenditures for the program.
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to expose (wrongdoing or wrongdoers).
to blow the whistle on corruption in high places.
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blow the whistle, to expose the existence of mischief or wrongdoing.
The agent was taking bribes until someone finally blew the whistle.
verb
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to produce (shrill or flutelike musical sounds), as by passing breath through a narrow constriction most easily formed by the pursed lips
he whistled a melody
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(tr) to signal, summon, or command by whistling or blowing a whistle
the referee whistled the end of the game
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(of a kettle, train, etc) to produce (a shrill sound) caused by the emission of steam through a small aperture
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(intr) to move with a whistling sound caused by rapid passage through the air
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(of animals, esp birds) to emit (a shrill sound) resembling human whistling
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to try to keep up one's confidence in spite of fear
noun
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a device for making a shrill high-pitched sound by means of air or steam under pressure
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a shrill sound effected by whistling
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a whistling sound, as of a bird, bullet, the wind, etc
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a signal, warning, command, etc, transmitted by or as if by a whistle
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the act of whistling
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music any pipe that is blown down its end and produces sounds on the principle of a flue pipe, usually having as a mouthpiece a fipple cut in the side
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informal to take an alcoholic drink
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informal (usually foll by on)
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to inform (on)
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to bring a stop (to)
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Other Word Forms
Derived Forms
Inflected Forms
Nouns
Participles
Conjugated Forms
Present
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whistlesimple
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whistlessimple
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have whistledperfect
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has whistledperfect
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am whistlingprogressive
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are whistlingprogressive
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is whistlingprogressive
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have been whistlingperfect progressive
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has been whistlingperfect progressive
Past
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whistledsimple
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had whistledperfect
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was whistlingprogressive
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were whistlingprogressive
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had been whistlingperfect progressive
Future
Etymology
Origin of whistle
First recorded before 950; (verb) Middle English whistlen, Old English hwistlian; akin to Old Norse hvīsla “to whistle,” hviskra “to whisper”; see whine; (noun) Middle English; Old English hwistle “instrument,” akin to the verb
Explanation
A whistle is a small wind instrument, and you probably know people who are good at whistling without an instrument. Trains have whistles, and the wind whistles too. The world is full of whistles. Whistle is a word with several meanings, but they have in common a similar high-pitched, airy sound. This is different from most instruments. You can't tuba without a tuba, but you can whistle without a whistle. Sometimes people's teeth make a whistling sound by accident. Referees and traffic cops carry whistles to get people's attention. Other people whistle for many reasons: because they're impressed, see something they like, or just want to say, "Hey you!"
Vocabulary lists containing whistle
Musical Instruments - Introductory
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Musical Instruments - Middle School
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Cormac McCarthy's "The Road"
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
You give one of those sort of regal dogs from Great Britain — those people in kilts and they blow a tiny whistle that no one can hear and the dog runs for 300 miles.
From Los Angeles Times ● Sep. 21, 2026
They had the chances to add to that lead but three was more than enough and the celebrations in the stands had started long before the final whistle.
From BBC ● Sep. 19, 2026
But I think his time was up after the final whistle went last night.
From BBC ● Sep. 16, 2026
You don’t want to blow the whistle on this VP because you believe that will jeopardize your investment.
From MarketWatch ● Sep. 14, 2026
A whistle blew, the train gently braked, and a minute later it came to a smooth stop at the station.
From "The Wild Robot Escapes" by Peter Brown
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There’s a practice court, a training room, an officials room and a video room packed with all the bells and whistles required for broadcasting in 2026.
From Los Angeles Times ● Sep. 27, 2026
Thousands of people marched through the streets of Madrid rattling keys and blowing whistles to call for measures to curb rising housing costs and make evictions more difficult.
From Barron's ● Sep. 26, 2026
But increasingly so have whistles and boos during his performances.
From BBC ● Sep. 21, 2026
In other words, people may think they want trendy appliances, but they sometimes have lots of bells and whistles they don’t end up using.
From MarketWatch ● Aug. 1, 2026
A stronger gust of wind whistles through the trees.
From "The Last Cuentista" by Donna Barba Higuera
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The crowd gathered at the Trump International Golf Links in Doonbeg for the trophy presentation whistled and cheered at the news.
From The Wall Street Journal ● Sep. 13, 2026
"One of the rescuers asked anyone trapped to whistle, and someone whistled back," he said near a pancaked building.
From Barron's ● Aug. 11, 2026
Audiences showered confetti, clapped and whistled when his name appeared in the opening credits.
From BBC ● Jun. 6, 2026
But the officials ruled the play had been whistled dead before the shot.
From Los Angeles Times ● Feb. 15, 2026
A map of the city covered the wooden planks, and I whistled silently at the amount of detail Chestnutt had managed to fit in.
From "Tristan Strong Punches a Hole in the Sky" by Kwame Mbalia
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Blume's speech was repeatedly interrupted by jeering and whistling, a person present at the meeting told AFP, and workers held aloft signs saying: "Don't balance your books with our jobs".
From Barron's ● Aug. 25, 2026
Newer cars and trucks employ opposite frequency technology, which lowers road noise, silicone-based coating on door seals that cuts virtually all high-frequency whistling, and noise-dampening designs on windows, to name a few technologies.
From Los Angeles Times ● Aug. 10, 2026
The squarish contours offered a thousand places for whistling and buffeting to hide.
From The Wall Street Journal ● Aug. 1, 2026
There’s a perfectly non-racial explanation for all of the cat and dog whistling.
From Slate ● Jun. 25, 2026
Faint whistling sounded from deep within the tiny forest.
From "Tristan Strong Punches a Hole in the Sky" by Kwame Mbalia
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.