164 entries under adjective topic. ×

23
extravagant(free, careless, save, careful)
21
prodigal(free, waste, careless, wild)
18
improvident(careless, indifferent, casual, thoughtless)
17
profligate(careless, save, careful, grand)
15
lavish(free, careless, wild, save)
15
spendthrift(noun, free, careless, wild)
12
profuse(save, careful, excess, economical)
10
immoderate(free, careless, wild, unreasonable)
10
thriftless(free, careless, wild, grand)
9
squandering(extravagant, lavish, reckless, economical)
8
pound-foolish(extravagant, lavish, economical, thriftless)
8
uneconomical(careless, extravagant, thoughtless, incompetent)
8
unthrifty(economical, prodigality, improvident)
7
destructive
7
excessive(unreasonable, grand, extravagant, generous)
7
reckless(free, careless, indifferent, wild)
6
ruinous(economical, devastating, disastrous)
5
inefficient(slow, extravagant, incompetent, lavish)
5
unrestrained(free, careless, wild, grand)
4
bootless
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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>