200 entries under adjective topic. ×

2
vacillant
2
yellow-bellied(weak, spineless, gutless)
1
abstemious(soft, shy, meek, frugal)
1
apathetic(indifferent, detached, distant, unfeeling)
1
callous(indifferent, detached, distant, apathetic)
1
chaste(soft, shy, meek, frugal)
1
cold(close, quiet, gentle, mild)
1
contrite
1
cool(close, quiet, gentle, mild)
1
coward(characteristic, quality, worry, dread)
1
decorous
1
discreet(soft, shy, meek, frugal)
1
disinterested(indifferent, detached, aloof, distant)
1
dispassionate(indifferent, detached, distant, apathetic)
1
equitable(indifferent, detached, distant, apathetic)
1
equivocal(uncertain, restrained, doubtful, unsure)
1
eremitic(quiet, gentle, aloof, peaceful)
1
evasive
1
flinching(hesitant, unconfident, unassured)
1
haughty(indifferent, detached, distant, apathetic)
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APASmart Define. (2016). diffident thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/diffident/thesaurus/synonyms
ChicagoSmart Define. 2016. "diffident thesaurus" https://smartdefine.org/diffident/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, diffident thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/diffident/thesaurus/synonyms>.
MLASmart Define. "diffident thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/diffident/thesaurus/synonyms>