80 entries under steep topic. ×

38
excessive(adjective, strong, great, fancy, severe)
38
outrageous(adjective, severe, harsh, offensive, rude)
37
immoderate(adjective, smooth, fancy, severe, harsh)
27
exorbitant(adjective, great, fancy, severe, offensive)
27
profligate(adjective, careless, wild, foolish, crazy)
27
extreme(adjective, strong, severe, offensive, extraordinary)
26
lavish(adjective, complete, fancy, delicate, extraordinary)
25
prodigal(adjective, big, careless, save, careful)
23
unreasonable(adjective, fancy, severe, harsh, offensive)
22
improvident(adjective, careless, generous, incompetent, lavish)
21
inordinate(adjective, strong, smooth, fancy, severe)
21
preposterous(adjective, severe, happy, harsh, offensive)
19
unrestrained(adjective, rough, wild, foolish, crazy)
18
wasteful(adjective, free, careless, save, careful)
17
spendthrift(adjective, save, careful, excess, excessive)
17
exaggerated(adjective, severe, harsh, wild, exceptional)
16
fantastic(adjective, happy, tender, perfect, false)
15
absurd(adjective, happy, perfect, strange, unreasonable)
14
inflated(adjective, false, ridiculous, excessive, expensive)
14
expensive(adjective, extraordinary, full, extreme, valuable)
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APASmart Define. (2015). extravagant thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/extravagant/thesaurus/synonyms
ChicagoSmart Define. 2015. "extravagant thesaurus" https://smartdefine.org/extravagant/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, extravagant thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/extravagant/thesaurus/synonyms>.
MLASmart Define. "extravagant thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/extravagant/thesaurus/synonyms>