200 entries under adjective topic. ×

3
close(secret, sneaky, stealthy)
3
distant(close, quiet, gentle, mild)
3
embarrassed(awkward, shy, insecure, timid)
3
faint
3
frightened(weak, nervous, shy, worried)
3
indifferent(aloof, apathetic, unfeeling, unsympathetic)
3
lily-livered(weak, shy, worried, afraid)
3
rabbity(quiet, shy, hesitant, reticent)
3
self-deprecating(person, feelings)
3
simple(soft, shy, meek, frugal)
3
standoffish(quiet, gentle, modest, aloof)
3
suspicious(uncertain, nervous, doubtful, hesitant)
3
uneasy(awkward, shy, worried, afraid)
3
unforthcoming
3
unpretending(soft, shy, meek, frugal)
3
unselfish
3
unwilling(uncertain, shy, doubtful, hesitant)
2
abashed(shy, timid)
2
affected(restrained, awkward, insecure, uncomfortable)
2
averse(uncertain, shy, doubtful, hesitant)
10 years ago|23k views|share |citing 
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>