Synonyms|798Antonyms|358|Broader|11Narrower|16Related|2.3k
1
abortive
1
adverse
1
barren(adjective, unable)
1
bootless
1
calamitous
1
clumsy
1
counteractive
1
damaging
1
dangerous
1
decorative
1
deficient
1
dispensable(adjective, able, necessary)
1
empty
1
foul
1
hurtful(adjective, bad, awkward, useless)
1
idle
1
ill
1
impractical
1
in vain
1
inapplicable
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APASmart Define. (2016). useful thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/useful/thesaurus/antonyms
ChicagoSmart Define. 2016. "useful thesaurus" https://smartdefine.org/useful/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, useful thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/useful/thesaurus/antonyms>.
MLASmart Define. "useful thesaurus" 5 January 2016. Web. 25 September 2026. <https://smartdefine.org/useful/thesaurus/antonyms>