13
herald(noun, feeling, sign, hunch, premonition)
13
omen(noun, action, feeling, sign, indication)
13
prominent(adjective, clear, great, see, solid)
13
prompt(noun, verb, order, sign, tell)
13
prophecy(noun, feeling, sign, warning, hunch)
13
striking(adjective, clear, great, see, rough)
13
token(noun, feeling, mark, light, note)
13
warning(noun, feeling, sign, alarm, hunch)
12
auspice(noun, feeling, light, sign, hunch)
12
foreboding(noun, feeling, light, sign, hunch)
12
mark(noun, verb, make, show, information)
12
momentous(adjective, great, solid, extraordinary, importance)
12
prediction(noun, feeling, light, sign, hunch)
11
conspicuous(adjective, clear, great, see, solid)
11
flare(noun, indication, alarm, authorization)
10
distinguished(adjective, great, solid, extraordinary, unusual)
10
elite(adjective, top, excellent, superior, superb)
10
hail(noun, verb, direct, call, gather)
10
notice(noun, verb, caution, alarm, warning)
10
salient(adjective, clear, great, see, solid)
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APASmart Define. (2016). signal thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/signal/thesaurus/synonyms
ChicagoSmart Define. 2016. "signal thesaurus" https://smartdefine.org/signal/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, signal thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/signal/thesaurus/synonyms>.
MLASmart Define. "signal thesaurus" 1 March 2016. Web. 27 September 2026. <https://smartdefine.org/signal/thesaurus/synonyms>