Synonyms|274Antonyms|0|Broader|3Narrower|0Related|4
1
passing(noun, action, act, movement, sign)
1
pilot flag
1
poke
1
police whistle
1
preliminary sign
1
premonitory sign
1
premonitory symptom
1
prodroma
1
prodrome
1
progress(noun, action, act, movement, sign)
1
quarantine flag
1
radio beacon
1
recognition(noun, respect, credit, acknowledgment, thanks)
1
red flag
1
red light
1
rocket
1
sailing aid
1
salute(noun, action, understanding, respect, sign)
1
semaphore
1
semaphore flag
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APASmart Define. (2015). high sign thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/high_sign/thesaurus/synonyms
ChicagoSmart Define. 2015. "high sign thesaurus" https://smartdefine.org/high_sign/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, high sign thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/high_sign/thesaurus/synonyms>.
MLASmart Define. "high sign thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/high_sign/thesaurus/synonyms>