55 entries under idiom topic. ×

6
on guard(expression, adjective, adverb, keen)
4
on the lookout(expression, adjective, adverb, keen)
3
on one's guard(expression, adjective, care, caution)
2
on the alert(expression, adjective, care, alert)
2
on the watch(expression, adjective, adverb, alert)
2
under restraint
1
disinclined to believe
1
disposed to doubt
1
free from danger(expression, secure, safe, snug)
1
hard of belief
1
impervious to persuasion
1
in a rut(expression, moderate, cautious, timid)
1
in leading strings
1
leaving out nothing
1
like a clam(expression, cautious, tactful, circumspect)
1
not missing a trick(expression, adjective, alert, careful)
1
on the ball(expression, adjective, keen, alert)
1
on the job(expression, adjective, keen, anxious)
1
on the qui vive(expression, adjective, keen, anxious)
1
out of danger(expression, secure, safe, snug)
<123>
11 years ago|19k views|share |citing 
APASmart Define. (2015). guarded thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/guarded/thesaurus/synonyms
ChicagoSmart Define. 2015. "guarded thesaurus" https://smartdefine.org/guarded/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, guarded thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/guarded/thesaurus/synonyms>.
MLASmart Define. "guarded thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/guarded/thesaurus/synonyms>