4
worried(adjective, uncertain, nervous, shy, hesitant)
4
yellow(adjective, weak, nervous, shy, worried)
3
aloof(adjective, close, quiet, gentle, mild)
3
chary(adjective, shy, hesitant, timid, unenthusiastic)
3
chicken(adjective, shy, worried, afraid, apprehensive)
3
close(adjective, secret, sneaky, stealthy)
3
distant(adjective, close, quiet, gentle, mild)
3
embarrassed(adjective, awkward, shy, insecure, timid)
3
faint
3
frightened(adjective, weak, nervous, shy, worried)
3
indifferent(adjective, aloof, apathetic, unfeeling, unsympathetic)
3
lily-livered(adjective, weak, shy, worried, afraid)
3
overmodest(shy, timid, modesty)
3
rabbity(adjective, quiet, shy, hesitant, reticent)
3
self-deprecating(adjective, person, feelings)
3
simple(adjective, soft, shy, meek, frugal)
3
standoffish(adjective, quiet, gentle, modest, aloof)
3
suspicious(adjective, uncertain, nervous, doubtful, hesitant)
3
uneasy(adjective, awkward, shy, worried, afraid)
3
unforthcoming(adjective, feel doubt)
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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>