119 entries under poor topic. ×

8
unprofitable(adjective, base, silly, stupid)
7
insignificant(adjective, mean, base, stupid)
7
inutile(adjective, base, stupid, inferior)
7
meaningless(adjective, weak, base, careless)
7
unqualified(adjective, inadequate, useless, incompetent)
6
counterproductive(adjective, base, stupid, inferior)
6
inconsequential(adjective, failure, base, stupid)
6
trifling(adjective, mean, failure, base)
6
trivial(adjective, mean, base, stupid)
5
lame(adjective, weak, thin, delicate)
5
pale(adjective, dull, light, soft)
5
unimportant(adjective, mean, base, inferior)
5
unusable(adjective, weak, base, inferior)
5
valueless(adjective, base, stupid, inferior)
4
flabby(adjective, weak, thin, delicate)
4
invalid(adjective, inadequate, unsound, trifling)
4
mean(adjective, miserable, insignificant, unimportant)
4
small(adjective, mean, insignificant, inadequate)
4
wan(adjective, dull, light, weak, soft)
3
contemptible(adjective, mean, base, miserable)
10 years ago|18k views|share |citing 
APASmart Define. (2016). ineffectual thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/ineffectual/thesaurus/synonyms
ChicagoSmart Define. 2016. "ineffectual thesaurus" https://smartdefine.org/ineffectual/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, ineffectual thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/ineffectual/thesaurus/synonyms>.
MLASmart Define. "ineffectual thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/ineffectual/thesaurus/synonyms>