307 entries under verb topic. ×

21
flag(noun, action, mark, light)
19
alert(noun, order, sign, notice)
19
call(noun, feeling, declare, sign)
18
nod(noun, sign, alert, indicate)
17
announce(make, mean, feeling, show)
17
gesticulate(sign, express, indicate, indication)
17
hint(noun, expression, order, mean)
17
wink(noun, expression, mark, light)
16
alarm(noun, sign, notice, alert)
16
foretoken(noun, feeling, sign, alert)
15
warn(give, feeling, sign, tell)
13
beckon(noun, move, direct, sign)
13
prompt(noun, order, sign, tell)
12
mark(noun, make, show, information)
10
hail(noun, direct, call, gather)
10
notice(noun, caution, alarm, warning)
10
semaphore(noun, express, communicate, indicate)
10
signalize(sign, express, indicate, indication)
10
whistle(noun, mark, light, sharp)
9
guide(noun, order, information, sign)
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APASmart Define. (2016). signal thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/signal/thesaurus/synonyms
ChicagoSmart Define. 2016. "signal thesaurus" https://smartdefine.org/signal/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, signal thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/signal/thesaurus/synonyms>.
MLASmart Define. "signal thesaurus" 1 March 2016. Web. 28 September 2026. <https://smartdefine.org/signal/thesaurus/synonyms>