Meaning & use
whistle
To make a clear, high-pitched sound by forcing air through pursed lips or a small instrument.
See it in a sentence
He whistled a cheerful tune as he walked down the street.
The referee whistled to signal the end of the match.
A note on using this word
Whistle can also be a noun for the sound itself or the small device used to make it, such as a referee's whistle.
Words with a similar meaning
This term is best learned through its definition and examples.
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Another way to use it
2. noun
A small device that produces a high-pitched sound when air is blown through it.
The coach blew her whistle to start the practice drill.
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