Synonyms|116Antonyms|0|Broader|0Narrower|0Related|16
1
red flag
1
red light
1
rocket
1
sailing aid
1
semaphore
1
semaphore flag
1
semaphore telegraph
1
sign
1
signal
1
signal beacon
1
signal bell
1
signal fire
1
signal flag
1
signal gong
1
signal gun
1
signal lamp
1
signal light
1
signal mast
1
signal of distress(expression, idiom)
1
signal post
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APASmart Define. (2015). police whistle thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/police_whistle/thesaurus/synonyms
ChicagoSmart Define. 2015. "police whistle thesaurus" https://smartdefine.org/police_whistle/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, police whistle thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/police_whistle/thesaurus/synonyms>.
MLASmart Define. "police whistle thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/police_whistle/thesaurus/synonyms>