Synonyms|437Antonyms|115|Broader|6Narrower|8Related|705
1
heedless(free, careless, wild, casual, reckless)
1
high(adjective, unreasonable, extravagant, ridiculous, excessive)
1
highway robbery(expression, adjective, unreasonable, extravagant, ridiculous)
1
idle
1
inconsiderate(careless, casual, reckless, happy-go-lucky, slapdash)
1
inefficacious(adjective, incompetent, unproductive)
1
internecine
1
irresponsible(adjective, careless, casual, reckless, happy-go-lucky)
1
lavisher
1
losel
1
loss
1
moderate
1
negligent(adjective, careless, casual, reckless, happy-go-lucky)
1
nihilist
1
nihilistic
1
openhanded(adjective, grand, extravagant, generous, abundant)
1
out of sight(expression, adjective, idiom, unreasonable, extravagant)
1
outrageous(adjective, free, careless, wild, unreasonable)
1
overabundant
1
overflowing
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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>