74 entries under unreasonable topic. ×

10
nonsensical(adjective, severe, harsh, strange, stupid)
8
enormous(adjective, great, big, extreme)
8
imprudent(adjective, severe, harsh, careless, foolish)
8
overindulgent(adjective, extreme, excessive, unwarranted)
8
stiff(adjective, fancy, severe, extraordinary)
8
superabundant(adjective, big, extreme, extra)
8
unwarranted(adjective, extreme, improper, ridiculous)
7
irrational(adjective, severe, rough, harsh, strange)
7
overmuch(adjective, spare, extreme, useless)
7
silly(adjective, stupid, absurd, excessive)
6
crazy(adjective, rough, offensive, strange, foolish)
6
disproportionate(adjective, extreme, improper, excessive)
6
egregious(adjective, severe, total, harsh, offensive)
6
fabulous(adjective, severe, harsh, false, wonderful)
6
indulgent(adjective, extreme, comfortable, extra)
6
redundant(adjective, extreme, extra, excessive)
5
ludicrous(adjective, strange, stupid, crazy)
5
towering(adjective, strong, severe, extreme)
4
boundless(adjective, extreme, excessive, unwarranted)
4
extraordinary(adjective, severe, harsh, exceptional)
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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>