114 entries under alert topic. ×

70
sign(noun, verb, move, action, act)
29
predict(verb, order, feeling, declare, tell)
21
flag(noun, verb, action, mark, light)
20
indication(noun, feeling, mark, light, note)
19
augury(noun, feeling, sign, hunch)
19
call(noun, verb, feeling, declare, sign)
18
nod(noun, verb, sign, indicate)
17
hint(noun, verb, expression, order, mean)
17
wink(noun, verb, expression, mark, light)
16
alarm(noun, verb, sign, notice)
16
foretoken(noun, verb, feeling, sign)
15
warn(verb, give, feeling, sign, tell)
13
prompt(noun, verb, order, sign, tell)
13
token(noun, feeling, mark, light, note)
10
siren(noun, caution, alarm, warning)
10
whistle(noun, verb, mark, light, sharp)
9
guide(noun, verb, order, information, sign)
9
threaten(verb, order, sign, tell, prepare)
8
high sign(noun, expression, idiom, action, act)
8
notify(verb, order, tell, prepare, prompt)
10 years ago|25k views|share |citing 
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>