105 entries under mark topic. ×

70
sign(noun, verb, move, action, act)
36
gesture(noun, verb, expression, action, act)
32
augur(verb, make, mean, feeling, show)
30
wave(noun, verb, action, act, movement)
26
cue(noun, verb, sign, prompt)
21
bespeak(verb, make, mean, feeling, show)
21
flag(noun, verb, action, light)
20
indication(noun, feeling, light, note)
20
significant(noun, adjective, clear, great)
18
beacon(noun, action, information, light)
17
announce(verb, make, mean, feeling, show)
17
hint(noun, verb, expression, order, mean)
17
wink(noun, verb, expression, light)
13
token(noun, feeling, light, note)
10
whistle(noun, verb, light, sharp)
9
note(noun, verb, light, sign)
8
badge(noun, light, sign, indication)
8
high sign(noun, expression, idiom, action, act)
8
stamp(noun, verb, light, sign)
8
tag(noun, verb, make, mean, show)
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APASmart Define. (2016). signal thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/signal/thesaurus/synonyms
ChicagoSmart Define. 2016. "signal thesaurus" https://smartdefine.org/signal/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, signal thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/signal/thesaurus/synonyms>.
MLASmart Define. "signal thesaurus" 1 March 2016. Web. 25 September 2026. <https://smartdefine.org/signal/thesaurus/synonyms>