High sign and Whistle

High sign

High sign noun - A silent signal of warning or recognition.
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Synonyms for High sign

Whistle and high sign are semantically related. In some cases you can use "Whistle" instead a noun phrase "High sign".

Whistle

Whistle noun - The sound made by something moving rapidly or by steam coming out of a small aperture.
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Synonyms for Whistle

High sign and whistle are semantically related. Sometimes you can use "High sign" instead a noun "Whistle".

Nearby Words: whistled, whist, whistling, whistler
Cite this Source
Whistle and High sign. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/high_sign/whistle
High sign & Whistle. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/high_sign/whistle>.
Whistle or High sign. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/high_sign/whistle.
Google Ngram Viewer shows how "high sign" and "whistle" have occurred on timeline