50 entries under alert topic. ×

26
cautious(adjective, moderate, keen, sensible, delicate)
21
circumspect(adjective, keen, sensible, delicate, deliberate)
20
wary(adjective, keen, sensible, delicate, deliberate)
19
careful(adjective, keen, sensible, delicate, restrained)
17
watchful(adjective, keen, care, restrained)
13
vigilant(adjective, adverb, care, sensible, deliberate)
11
chary(adjective, reasonable, sensible, delicate, deliberate)
11
heedful(adjective, adverb, reasonable, sensible, deliberate)
9
thorough(adjective, perfect, deliberate, thoughtful)
8
observant(adjective, adverb, reasonable, keen, sensible)
8
safe(adjective, secure, reasonable, harm, sensible)
7
attentive(adjective, reasonable, keen, sensible, deliberate)
7
mindful(adjective, careful, thoughtful, sober)
6
on guard(expression, adjective, idiom, adverb, keen)
5
suspicious(adjective, delicate, restrained, careful)
3
aware(adjective, keen, careful, cautious)
3
ready(adjective, careful, cautious, attentive)
2
all ears(expression, adjective, careful, thoughtful)
2
defensive(adjective, careful, defensive)
2
on the alert(expression, adjective, idiom, care)
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APASmart Define. (2015). guarded thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/guarded/thesaurus/synonyms
ChicagoSmart Define. 2015. "guarded thesaurus" https://smartdefine.org/guarded/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, guarded thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/guarded/thesaurus/synonyms>.
MLASmart Define. "guarded thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/guarded/thesaurus/synonyms>