61 entries under wasteful topic. ×

32
extravagant(adjective, smooth, fancy, severe, harsh)
31
excessive(adjective, fancy, severe, harsh, offensive)
30
outrageous(adjective, free, severe, harsh, offensive)
24
extreme(adjective, severe, offensive, intense, unreasonable)
24
intemperate(adjective, free, severe, harsh, wild)
23
exorbitant(adjective, fancy, severe, offensive, unreasonable)
23
unreasonable(adjective, fancy, severe, harsh, offensive)
20
inordinate(adjective, smooth, wrong, fancy, severe)
20
unrestrained(adjective, free, wild, extreme, extravagant)
17
unconscionable(adjective, severe, offensive, unreasonable, extreme)
16
profligate(adjective, wild, unreasonable, extreme, extravagant)
12
steep(adjective, fancy, severe, offensive, unreasonable)
11
lavish(adjective, fancy, careless, high, grand)
11
prodigal(adjective, free, careless, wild, unreasonable)
10
exaggerated(adjective, severe, harsh, wild, exceptional)
10
gluttonous(adjective, gluttonous)
10
overindulgent(adjective, extreme, excessive, unwarranted, superfluous)
10
wasteful(adjective, free, careless, wild, unreasonable)
9
extortionate(adjective, offensive, unreasonable, extreme, improper)
9
preposterous(adjective, severe, harsh, offensive, exceptional)
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APASmart Define. (2015). immoderate thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/immoderate/thesaurus/synonyms
ChicagoSmart Define. 2015. "immoderate thesaurus" https://smartdefine.org/immoderate/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, immoderate thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/immoderate/thesaurus/synonyms>.
MLASmart Define. "immoderate thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/immoderate/thesaurus/synonyms>