96 entries under expression topic. ×

1
psyched up(sharp, bright, lively, alert)
1
quick on the uptake(adjective, idiom, open, friendly)
1
see after(adjective, alert, careful, cautious)
1
see to(adjective, alert, careful, cautious)
1
switched on(cool, sharp, bright, lively)
1
under control(attentive, compliant, submissive, docile)
1
up on(adjective, cool, sensible, familiar)
1
well-behaved submissive(attentive, compliant, submissive, docile)
1
wise to(adjective, understanding, cool, keen)
1
with eyes peeled(adjective, idiom, keen, alert)
1
with open eyes
1
with weather eye open(keen, alert, careful, attentive)
1
wrapped around finger(attentive, compliant, submissive, docile)
0
able to recognize(idiom, perceptive, insightful)
0
across the board(idiom, sympathetic, witting, all-embracing)
0
all around(sympathetic, witting, all-embracing)
0
all heart(sympathetic, witting, all-embracing)
0
all there(sympathetic, witting, all-embracing)
0
being aware(sympathetic, witting, all-embracing)
0
canon regular(idiom, clergy)
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APASmart Define. (2016). observant thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/observant/thesaurus/synonyms
ChicagoSmart Define. 2016. "observant thesaurus" https://smartdefine.org/observant/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, observant thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/observant/thesaurus/synonyms>.
MLASmart Define. "observant thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/observant/thesaurus/synonyms>