Synonyms|437Antonyms|115|Broader|6Narrower|8Related|705
1
subversive
1
supererogative(adjective, free, wild, wanton)
1
supererogatory(adjective, free, wild, excessive, irrational)
1
surplus(adjective, unreasonable, extravagant, excessive, irrational)
1
temporary
1
thoughtless(careless, casual, reckless, happy-go-lucky, slapdash)
1
time-wasting
1
tiring
1
towering(adjective, unreasonable, extravagant, ridiculous, excessive)
1
unconscionable(adjective, unreasonable, extravagant, ridiculous, excessive)
1
unconstrained
1
uncurbed(adjective, unreasonable, extravagant, excessive, irrational)
1
undue(adjective, unreasonable, extravagant, ridiculous, excessive)
1
unprofitable
1
unstinging(adjective, grand, extravagant, generous, abundant)
1
unsuitable
1
untempered(adjective, unreasonable, extravagant, excessive, irrational)
1
unwarranted(adjective, unreasonable, extravagant, ridiculous, excessive)
1
up to here(expression, adjective, idiom, unreasonable, extravagant)
1
vain
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ChicagoSmart Define. 2016. "wasteful thesaurus" https://smartdefine.org/wasteful/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, wasteful thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/wasteful/thesaurus/synonyms>.
MLASmart Define. "wasteful thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/wasteful/thesaurus/synonyms>