5
weak-kneed(adjective, weak, shy, worried, afraid)
4
frightened(adjective, weak, nervous, shy, worried)
4
irresolute(adjective, nervous, shy, feeble, fearful)
4
jittery(adjective, person, weak, feelings, shy)
4
milk-livered
4
mousy(nervous, shy, worried, fearful, afraid)
4
weak(nervous, shy, fearful, spineless, gutless)
3
agitated(adjective, shy, worried, afraid, apprehensive)
3
alarmed(adjective, shy, worried, afraid, apprehensive)
3
anxious(adjective, weak, shy, worried, afraid)
3
apprehensive(adjective, weak, nervous, shy, worried)
3
funky
3
henhearted
3
infirm
3
petrified(adjective, person, feelings, emotions, frightened)
3
recreant(weak, subservient, spineless, gutless, falsehearted)
3
tremulous(adjective, nervous, shy, worried, fearful)
3
unnerved(adjective, nervous, shy, feeble, fearful)
3
weakhearted
3
white-livered
10 years ago|4.9k views|share |citing 
APASmart Define. (2016). fainthearted thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/fainthearted/thesaurus/synonyms
ChicagoSmart Define. 2016. "fainthearted thesaurus" https://smartdefine.org/fainthearted/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, fainthearted thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/fainthearted/thesaurus/synonyms>.
MLASmart Define. "fainthearted thesaurus" 23 March 2016. Web. 26 September 2026. <https://smartdefine.org/fainthearted/thesaurus/synonyms>