13
beware(verb, mind, notice, spot, avoid)
10
watch out(verb, expression, phrasal verb, see, mind)
8
be careful(verb, expression, idiom, see, mind)
8
be watchful(verb, keep, mind, notice, spot)
7
mind(verb, keep, notice, spot, avoid)
6
watch(verb, keep, see, protect, guard)
5
be alert(verb, keep, see, mind, notice)
5
pay attention(verb, expression, see, mind, notice)
5
take care(verb, expression, idiom, mind, notice)
4
be on guard(verb, idiom, see, mind, notice)
4
be vigilant(verb, keep, protect, wait, guard)
3
have a care(verb, expression, idiom, see, mind)
2
take heed(verb, expression, keep, mind, notice)
2
be wary(verb, keep, mind, notice, spot)
2
check out(verb, expression, phrasal verb, mind, notice)
2
keep eyes open(expression, idiom, keep, mind, notice)
2
listen(verb, mind, notice, spot, avoid)
2
look
2
notice(noun, verb, mind, spot, avoid)
2
pay heed(verb, expression, heed, obey, comply)
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APASmart Define. (2015). look out thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/look_out/thesaurus/synonyms
ChicagoSmart Define. 2015. "look out thesaurus" https://smartdefine.org/look_out/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, look out thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/look_out/thesaurus/synonyms>.
MLASmart Define. "look out thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/look_out/thesaurus/synonyms>