22
timid(adjective, quiet, weak, gentle, shy)
18
weak(adjective, quiet, simple, soft, gentle)
16
feeble(adjective, weak, soft, shy, inadequate)
15
irresolute(adjective, weak, gentle, uncertain, nervous)
14
cowardly(adjective, weak, soft, gentle, sad)
13
yellow(adjective, weak, informal, shy, fearful)
12
fearful(adjective, weak, shy, timid, apprehensive)
12
gutless(adjective, weak, fearful, timid, pathetic)
11
ineffective(adjective, weak, poor, inferior, inadequate)
10
ineffectual(adjective, weak, soft, poor, uncertain)
10
nerveless(adjective, weak, soft, uncertain, nervous)
10
soft(adjective, quiet, weak, gentle, base)
9
coward(noun, adjective, characteristic, quality, worry)
9
invertebrate(adjective, cowardly)
8
craven(noun, adjective, weak, spiritless, gutless)
8
impotent(adjective, weak, poor, uncertain, inferior)
8
namby-pamby
8
pusillanimous(adjective, weak, nervous, shy, fearful)
8
vacillating(adjective, weak, gentle, uncertain, nervous)
7
capricious(adjective, nervous, shy, fearful, irresolute)
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APASmart Define. (2015). spineless thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/spineless/thesaurus/synonyms
ChicagoSmart Define. 2015. "spineless thesaurus" https://smartdefine.org/spineless/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, spineless thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/spineless/thesaurus/synonyms>.
MLASmart Define. "spineless thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/spineless/thesaurus/synonyms>