3
supine(adjective, soft, shy, meek, frugal)
3
uncertain(adjective, feel doubt)
3
unconfident(adjective, feel doubt)
3
undemonstrative(adjective, modest, reticent, unassuming, self-effacing)
3
unforthcoming(adjective, feel doubt)
3
unpresuming(adjective, soft, shy, meek, frugal)
3
unselfish(adjective, modest)
3
worried(adjective, feel doubt)
3
yellow(adjective, weak, nervous, shy, fearful)
2
amenable(adjective, calm, quiet, gentle, subdued)
2
backward(adjective, quiet, modest, humble, shy)
2
feeble(adjective, nervous, shy, fearful, ambivalent)
2
flexible
2
forbearing(adjective, quiet, flat, indifferent, apathetic)
2
insecure(adjective, meek, timid, unsure, unassuming)
2
irresolute(adjective, nervous, shy, feeble, fearful)
2
lamblike(adjective, soft, shy, meek, frugal)
2
long-suffering(adjective, quiet, gentle, flat, indifferent)
2
manageable(adjective, calm, quiet, gentle, subdued)
2
nonaggressive
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APASmart Define. (2016). unassertive thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/unassertive/thesaurus/synonyms
ChicagoSmart Define. 2016. "unassertive thesaurus" https://smartdefine.org/unassertive/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, unassertive thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/unassertive/thesaurus/synonyms>.
MLASmart Define. "unassertive thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/unassertive/thesaurus/synonyms>