74 entries under unreasonable 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)
25
prodigal(adjective, big, careless, save, careful)
21
inordinate(adjective, strong, smooth, fancy, severe)
21
preposterous(adjective, severe, happy, harsh, offensive)
20
wild(adjective, happy, tender, perfect, rude)
19
unrestrained(adjective, rough, wild, foolish, crazy)
18
wasteful(adjective, free, careless, save, careful)
17
exaggerated(adjective, severe, harsh, wild, exceptional)
16
fantastic(adjective, happy, tender, perfect, false)
15
absurd(adjective, happy, perfect, strange)
14
unconscionable(adjective, severe, offensive, extreme)
12
intemperate(adjective, severe, harsh, wild, exceptional)
12
undue(adjective, severe, extreme, high)
11
foolish(adjective, rough, strange, stupid, crazy)
11
steep(adjective, fancy, severe, offensive, false)
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APASmart Define. (2015). extravagant thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/extravagant/thesaurus/synonyms
ChicagoSmart Define. 2015. "extravagant thesaurus" https://smartdefine.org/extravagant/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, extravagant thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/extravagant/thesaurus/synonyms>.
MLASmart Define. "extravagant thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/extravagant/thesaurus/synonyms>