Synonyms|726Antonyms|111|Broader|15Narrower|0Related|513

57 entries under observant topic. ×

27
keen(adjective, feeling, understanding, strong, sharp)
26
sharp(adjective, clear, feeling, understanding, strong)
22
penetrating(adjective, understanding, strong, hard, keen)
19
acute(adjective, feeling, understanding, strong, keen)
11
perceptive(adjective, understanding, strong, keen, sharp)
9
perspicacious(adjective, understanding, keen, sharp, smart)
7
percipient(adjective, understanding, keen, sharp, sensitive)
2
apperceptive(perceptive, insightful)
2
insightful(adjective, understanding, keen, sharp, smart)
2
sagacious(adjective, understanding, keen, sharp, smart)
2
understanding(sensitive, perceptive, insightful)
2
wise(understanding, keen, smart, sensitive, shrewd)
1
alert(adjective, understanding, strong, keen, sharp)
1
certain(adjective, perceptive, key, insightful)
1
discreet(adjective, understanding, keen, sharp, alert)
1
gnostic(adjective, understanding, keen, sharp, alert)
1
insighted(adjective, understanding, keen, sharp, alert)
1
rational(adjective, understanding, keen, sharp, alert)
1
sage(adjective, understanding, keen, sharp, sensitive)
1
sophic(adjective, understanding, keen, sharp, alert)
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ChicagoSmart Define. 2015. "incisive thesaurus" https://smartdefine.org/incisive/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, incisive thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/incisive/thesaurus/synonyms>.
MLASmart Define. "incisive thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/incisive/thesaurus/synonyms>