Synonyms|437Antonyms|115|Broader|6Narrower|8Related|705
2
cost(noun, verb)
2
exorbitant(adjective, unreasonable, extravagant, ridiculous, excessive)
2
extreme(adjective, unreasonable, extravagant, ridiculous, excessive)
2
fruitless
2
futile
2
harmful
2
imprudent(adjective, careless, indifferent, casual, thoughtless)
2
inadequate
2
incontinent(adjective, economical)
2
ineffectual(incompetent, unproductive)
2
inordinate(adjective, unreasonable, grand, extravagant, generous)
2
overindulgent
2
overliberal
2
pointless
2
squander
2
squanderer
2
suicidal
2
unavailing
2
unreasonable(adjective, grand, extravagant, generous, ridiculous)
2
wastrel
For more, visit Wasteful on Power Thesaurus
10 years ago|9.4k views|share |citing 
APASmart Define. (2016). wasteful thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/wasteful/thesaurus/synonyms
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>