64 entries under adjective topic. ×

11
valuable(sensible, important, useful, inexpensive)
7
effective(weak, sensible, inadequate, useful)
7
useful(bad, sensible, awkward, valuable)
6
usable(sensible, useful, working, available)
5
adequate(poor, insufficient, able, enough)
5
competent
4
able(slow, inadequate, performing, having)
4
beneficial(bad, disagreeable)
4
efficient
4
helpful(cool, sensible, cold, useful)
4
profitable(sensible, useful, unprofitable)
3
serviceable
3
advantageous
3
convenient
3
creative(inability, unskilled, talentless)
3
fruitful(sensible, useful, worthless)
3
necessary(unimportant, trivial, essential)
3
practical(useful, realistic, experienced, proficient)
3
substantial
3
suitable(awkward, inappropriate)
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APASmart Define. (2016). useless thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/useless/thesaurus/antonyms
ChicagoSmart Define. 2016. "useless thesaurus" https://smartdefine.org/useless/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, useless thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/useless/thesaurus/antonyms>.
MLASmart Define. "useless thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/useless/thesaurus/antonyms>