3
unpretending(adjective, soft, shy, meek, frugal)
3
unselfish(adjective, modest)
3
unwilling(adjective, uncertain, shy, doubtful, hesitant)
2
abashed(adjective, shy, timid)
2
affected(adjective, restrained, awkward, insecure, uncomfortable)
2
ashamed
2
averse(adjective, uncertain, shy, doubtful, hesitant)
2
awkward
2
chicken-hearted(adjective, weak, spineless, gutless)
2
chicken-livered
2
confused(adjective, shy, timid)
2
constrained(adjective, shy, hesitant, timid, unconfident)
2
cowering(weak, nervous, shy, fearful, spineless)
2
craven(adjective, weak, spineless, gutless)
2
decent(adjective, soft, shy, meek, frugal)
2
demurring(unenthusiastic, unwilling, disinclined)
2
detached(adjective, indifferent, unfriendly, aloof, distant)
2
faltering
2
gutless(adjective, weak, spineless)
2
hesitating(adjective, uncertain, shy, doubtful, hesitant)
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APASmart Define. (2016). diffident thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/diffident/thesaurus/synonyms
ChicagoSmart Define. 2016. "diffident thesaurus" https://smartdefine.org/diffident/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, diffident thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/diffident/thesaurus/synonyms>.
MLASmart Define. "diffident thesaurus" 24 March 2016. Web. 20 September 2026. <https://smartdefine.org/diffident/thesaurus/synonyms>