Synonyms|233Antonyms|71|Broader|0Narrower|0Related|1

74 entries under alert topic. ×

1
sharp(bright, lively, aware, attentive)
1
spirited(sharp, bright, lively, active)
1
suggestion(information, sign, notice, hint)
1
threat(information, sign, notice, hint)
1
tip(information, sign, notice, caution)
1
tip-off(information, sign, notice, hint)
1
vigilant(sharp, bright, lively, active)
1
wary(sharp, bright, lively, attentive)
1
watch-it(noun, information, sign, notice)
1
watchful(sharp, bright, lively, aware)
1
wide-awake(adjective, sharp, bright, lively)
1
wired(sharp, bright, lively, active)
1
wise(sharp, bright, lively, active)
1
word(information, sign, notice, hint)
1
word to the wise(expression, idiom, sign, notice)
0
apprehensive(aware, clued-in)
0
awake(aware, clued-in)
0
aware
0
caution(sign, notice, signal, alarm)
0
clued-in
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APASmart Define. (2011). heads up thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/heads_up/thesaurus/synonyms
ChicagoSmart Define. 2011. "heads up thesaurus" https://smartdefine.org/heads_up/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2011, heads up thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/heads_up/thesaurus/synonyms>.
MLASmart Define. "heads up thesaurus" 24 May 2011. Web. 24 September 2026. <https://smartdefine.org/heads_up/thesaurus/synonyms>