Signal
Whistle
Whistle noun - The act of signalling (e.g., summoning) by whistling or blowing a whistle.
Usage example: the whistle signalled the end of the game
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Synonyms for Whistle
Signal and whistle are semantically related in alarm topic. Sometimes you can use "Signal" instead the word "Whistle" as a verb or a noun, if it concerns topics such as make a shrill noise, make sharp.
Both words in one sentence
- Ralph and Sam punch a clock, start their hijinks after the whistle goes off to signal the start of their shift, then punch out and go home after the whistle sounds again.
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The whistle Gordon receives from Abby in the first section became very handy in the third one, when he used it to signal his men about Holnist's ambush.
Source: Literature / The Postman - She can't do the Spartan version of the "all clear" signal (an "Olly olly oxen free" whistle), though.
Source: The Voiceless
Cite this Source
Whistle and Signal. (2016). Retrieved 2026, October 30, from https://thesaurus.plus/related/signal/whistle
Signal & Whistle. N.p., 2016. Web. 30 Oct. 2026. <https://thesaurus.plus/related/signal/whistle>.
Whistle or Signal. 2016. Accessed October 30, 2026. https://thesaurus.plus/related/signal/whistle.
Google Ngram Viewer shows how "signal" and "whistle" have occurred on timeline