57 entries under diffident topic. ×

30
timid(adjective, quiet, modest, nervous, humble)
19
shy(adjective, quiet, modest, humble, reserved)
14
demure(adjective, soft, modest, nervous, humble)
13
bashful(adjective, soft, modest, nervous, humble)
13
coy(adjective, soft, modest, nervous, humble)
13
retiring(adjective, quiet, modest, nervous, humble)
12
submissive(adjective, quiet, soft, gentle, flat)
11
modest(adjective, quiet, modest, nervous, humble)
10
humble(adjective, quiet, modest, nervous, shy)
8
mousy(adjective, quiet, weak, modest, nervous)
8
self-effacing(adjective, soft, modest, nervous, humble)
8
timorous(adjective, nervous, shy, meek, afraid)
7
reserved(adjective, quiet, modest, humble, shy)
4
fearful(adjective, weak, modest, nervous, humble)
4
hesitant(adjective, modest, nervous, humble, shy)
4
introverted(adjective, modest, nervous, humble, shy)
4
reticent(adjective, quiet, modest, nervous, humble)
4
self-conscious(adjective, quiet, modest, shy, timid)
4
shamefaced(adjective, soft, modest, nervous, humble)
2
backward(adjective, quiet, modest, humble, shy)
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APASmart Define. (2016). unassertive thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unassertive/thesaurus/synonyms
ChicagoSmart Define. 2016. "unassertive thesaurus" https://smartdefine.org/unassertive/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, unassertive thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unassertive/thesaurus/synonyms>.
MLASmart Define. "unassertive thesaurus" 24 March 2016. Web. 20 September 2026. <https://smartdefine.org/unassertive/thesaurus/synonyms>