1
distress signal(expression, sign, notice, alert, hint)
1
exhortation(information, sign, notice, alert, hint)
1
fast on the draw(expression, idiom, sharp, bright, lively)
1
fore(sign, notice, alert, hint, caution)
1
foretoken(noun, verb, information, sign, notice)
1
good hands(expression, sharp, bright, lively, active)
1
guidance(information, sign, notice, alert, hint)
1
handwriting on wall(noun, expression, idiom, information, sign)
1
have a care(verb, expression, idiom, see, mind)
1
hearken(verb, mind, notice, spot, avoid)
1
heedful(sharp, bright, lively, active, alert)
1
hip(sharp, bright, lively, active, alert)
1
indication(information, sign, notice, alert, hint)
1
information(sign, notice, alert, hint, caution)
1
injunction(information, sign, notice, alert, hint)
1
intimation(information, sign, notice, alert, hint)
1
jazzed(sharp, bright, lively, active, alert)
1
keep an eye out(verb, expression, idiom, phrasal verb, see)
1
keep tabs(verb, expression, see, mind, notice)
1
lesson(information, sign, notice, alert, hint)
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APASmart Define. (2011). heads up thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/heads_up/thesaurus/synonyms
ChicagoSmart Define. 2011. "heads up thesaurus" https://smartdefine.org/heads_up/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2011, heads up thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/heads_up/thesaurus/synonyms>.
MLASmart Define. "heads up thesaurus" 24 May 2011. Web. 23 September 2026. <https://smartdefine.org/heads_up/thesaurus/synonyms>