53 entries under diffident topic. ×

15
sheepish(adjective, modest, awkward, nervous, humble)
14
shy(adjective, quiet, awkward, reserved, insecure)
13
abashed(adjective, shy, timid, embarrassed)
13
embarrassed(adjective, shame, awkward, shy, insecure)
9
coy(adjective, soft, modest, nervous, humble)
8
modest(adjective, humble, shy, hesitant, reserved)
8
timid(adjective, modest, humble, shy, hesitant)
7
confused(adjective, shy, timid, embarrassed)
7
demure(adjective, soft, modest, humble, shy)
7
timorous(adjective, shy, timid, modesty)
6
humble(adjective, modest, shy, hesitant, reserved)
6
self-conscious(adjective, awkward, shy, insecure, timid)
6
self-effacing(adjective, soft, modest, nervous, humble)
5
skittish(adjective, modest, nervous, humble, hesitant)
4
nervous(adjective, modest, awkward, humble, shy)
4
overmodest(shy, timid, modesty)
4
retiring(adjective, modest, humble, shy, hesitant)
4
unassertive(adjective, soft, modest, nervous, humble)
3
reserved(adjective, modest, humble, shy, hesitant)
2
conscious(adjective, modest, nervous, humble, hesitant)
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APASmart Define. (2015). shamefaced thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/shamefaced/thesaurus/synonyms
ChicagoSmart Define. 2015. "shamefaced thesaurus" https://smartdefine.org/shamefaced/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, shamefaced thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/shamefaced/thesaurus/synonyms>.
MLASmart Define. "shamefaced thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/shamefaced/thesaurus/synonyms>