4
invalid(adjective, weak, poor, inadequate, feeble)
4
languorous
4
sapless(adjective, weak, weakness, thin, delicate)
4
slack(adjective, still, lifeless, inactive, passive)
4
unqualified(adjective, weak, poor, skill, short)
4
weakly(adjective, weak, weakness, thin, delicate)
3
asthenic
3
childless(adjective, rich)
3
cold(adjective, cool, detached, unfriendly, stiff)
3
deficient(adjective, weak, poor, low, short)
3
dud(adjective, weak, unable, helpless, powerless)
3
fragile(adjective, weak, thin, delicate, shaky)
3
frustrated(adjective, arouse bad feelings)
3
indecisive(adjective, weak, thin, delicate, uncertain)
3
inexpert(adjective, weak, inadequate, feeble, incompetent)
3
invertebrate
3
irresolute(adjective, weak, uncertain, nervous, unstable)
3
jejune
3
lame(adjective, weak, poor, thin, delicate)
3
no go(expression, idiom, failure, inadequate, limited)
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APASmart Define. (2016). impotent thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/impotent/thesaurus/synonyms
ChicagoSmart Define. 2016. "impotent thesaurus" https://smartdefine.org/impotent/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, impotent thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/impotent/thesaurus/synonyms>.
MLASmart Define. "impotent thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/impotent/thesaurus/synonyms>