45 entries under characteristic topic. ×

60
shy(adjective, state, behavior, courage)
42
uncertain(adjective, quality, weak, doubt)
29
unsure(adjective, quality, weak, doubt)
27
doubtful(adjective, quality, weak, doubt)
24
insecure(adjective, quality, doubt, uncertainty)
23
timid(adjective, quality, strong, weak)
22
pessimistic(adjective, quality, weak, feelings)
19
dubious(adjective, quality, doubt, uncertainty)
18
afraid(adjective, calm, quality, weak)
18
jumpy(adjective, quality, doubt, uncertainty)
18
nervous(adjective, calm, quality, cool)
18
scared(adjective, quality, doubt, uncertainty)
17
diffident(adjective, quality, doubt, uncertainty)
17
mousy(adjective, quality, doubt, uncertainty)
17
unassuming(adjective, quality, doubt, uncertainty)
17
demure(adjective, quality, doubt, uncertainty)
14
cowardly(adjective, quality, weak, doubt)
11
lacking confidence(expression, adjective, quality, doubt)
11
not sure(expression, adjective, quality, doubt)
9
humble(adjective, quality, doubt, uncertainty)
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APASmart Define. (2016). confident thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/confident/thesaurus/antonyms
ChicagoSmart Define. 2016. "confident thesaurus" https://smartdefine.org/confident/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2016, confident thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/confident/thesaurus/antonyms>.
MLASmart Define. "confident thesaurus" 23 March 2016. Web. 27 September 2026. <https://smartdefine.org/confident/thesaurus/antonyms>