89 entries under useless topic. ×

7
nugatory(adjective, slight, small, silly, insignificant)
7
unfruitful(adjective, inferior, dry, inadequate, limited)
6
unprofitable(adjective, weak, inferior, feeble)
6
unsuccessful(adjective, weak, inferior, inadequate, limited)
5
slight(adjective, light, weak, trivial)
5
void(adjective, inferior, inadequate, feeble)
3
hopeless(adjective, weak, stupid, dry)
3
inefficacious(adjective, inferior, inadequate, feeble)
3
sterile(adjective, dry, trivial, insufficient)
3
unusable(adjective, weak, stupid, impractical)
3
weak(adjective, light, slight, thin, stupid)
2
counterproductive(weak, stupid, incompetent, impractical)
2
impotent(adjective, weak, inferior, still, inadequate)
2
impracticable(adjective, weak, stupid, trivial)
2
inefficient(weak, inferior, inadequate, limited, feeble)
2
inept(adjective, weak, stupid, inferior, inadequate)
2
paltry(slight, foolish, inferior, inadequate, feeble)
2
powerless(still, inadequate, limited, feeble)
2
profitless(adjective, stupid, trivial, incompetent)
2
unrewarding(adjective, dry, ineffective, unproductive)
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APASmart Define. (2015). idle thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/idle/thesaurus/synonyms
ChicagoSmart Define. 2015. "idle thesaurus" https://smartdefine.org/idle/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, idle thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/idle/thesaurus/synonyms>.
MLASmart Define. "idle thesaurus" 23 October 2015. Web. 25 September 2026. <https://smartdefine.org/idle/thesaurus/synonyms>