120 entries under useless topic. ×

9
poor(adjective, weak, slight, thin, base)
7
empty(adjective, poor, base, inferior, insignificant)
7
trivial(adjective, poor, base, stupid, inferior)
7
unrewarding(adjective, flat, wasted, ineffective)
6
arid(adjective, clean, empty, bleak)
6
inadequate(adjective, weak, slight, poor, thin)
6
inefficient(adjective, weak, slow, inadequate, limited)
5
hopeless(adjective, stupid, idle, trivial)
5
insignificant(adjective, poor, base, stupid, inferior)
5
meaningless(adjective, poor, base, stupid, inferior)
5
otiose(adjective, trivial, empty, insufficient)
5
trifling(adjective, poor, base, inferior, insignificant)
5
unimportant(adjective, poor, base, inferior, insignificant)
5
waste(noun, adjective, poor, base, stupid)
4
incompetent(adjective, weak, poor, stupid, inferior)
4
inoperative(adjective, weak, stupid, idle, inadequate)
4
purposeless(adjective, weak, stupid, idle)
4
unusable(adjective, weak, poor, base, inferior)
4
valueless(adjective, poor, base, stupid, inferior)
3
contemptible(adjective, poor, base, inferior, insignificant)
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APASmart Define. (2016). unproductive thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unproductive/thesaurus/synonyms
ChicagoSmart Define. 2016. "unproductive thesaurus" https://smartdefine.org/unproductive/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unproductive thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unproductive/thesaurus/synonyms>.
MLASmart Define. "unproductive thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/unproductive/thesaurus/synonyms>