90 entries under wasteful topic. ×

8
bizarre(adjective, happy, perfect, wild, strange)
8
gaudy(adjective, fancy, delicate, special, elegant)
8
imprudent(adjective, severe, harsh, careless, foolish)
8
overflowing(adjective, complete, big, extra, flush)
8
overindulgent(adjective, unreasonable, extreme, excessive, unwarranted)
7
garish(adjective, affected, loud, excessive, expensive)
7
silly(adjective, stupid, unreasonable, absurd, excessive)
6
crazy(adjective, rough, offensive, strange, foolish)
6
indulgent(adjective, unreasonable, extreme, comfortable, extra)
6
thriftless(adjective, free, careless, wild, grand)
6
uneconomical(adjective, fancy, high, incompetent, lavish)
5
gluttonous(adjective, gluttonous)
5
implausible(adjective, strange, crazy, insane, absurd)
5
ludicrous(adjective, strange, stupid, crazy, unreasonable)
4
dissolute(adjective, wild, reckless, uncontrolled, unrestricted)
4
overabundant(adjective, excess, excessive, superfluous)
4
overgenerous(adjective, careless, lavish, excessive, flattering)
4
pound-foolish
4
unbalanced(adjective, extreme, excessive, expensive, steep)
4
unconstrained
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APASmart Define. (2015). extravagant thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/extravagant/thesaurus/synonyms
ChicagoSmart Define. 2015. "extravagant thesaurus" https://smartdefine.org/extravagant/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, extravagant thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/extravagant/thesaurus/synonyms>.
MLASmart Define. "extravagant thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/extravagant/thesaurus/synonyms>