Synonyms|382Antonyms|161|Broader|4Narrower|7Related|1.3k
9
futile
7
organic
5
broken(adjective, worthless)
5
nonfunctional
4
idle
4
unusable
3
dysfunctional
3
malfunctioning
3
unserviceable
3
decorative
3
fruitless
3
ineffective
3
inoperable
3
inoperative
3
ornamental
2
abortive
2
abstract
2
academic
2
cosmetic
2
dormant
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APASmart Define. (2015). functional thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/functional/thesaurus/antonyms
ChicagoSmart Define. 2015. "functional thesaurus" https://smartdefine.org/functional/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2015, functional thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/functional/thesaurus/antonyms>.
MLASmart Define. "functional thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/functional/thesaurus/antonyms>