High sign
High sign noun - A silent signal of warning or recognition.
Show all Definitions
Synonyms for High sign
Whistle
Whistle noun - The sound made by something moving rapidly or by steam coming out of a small aperture.
Show all Definitions
Synonyms for Whistle
High sign and whistle are semantically related. Sometimes you can use "High sign" instead a noun "Whistle".
Mutual synonyms
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