74 entries under extreme topic. ×

1
indulgent(unreasonable, extravagant, excessive, unwarranted)
1
intemperate(unreasonable, extravagant, excessive, unwarranted)
1
lavish(adjective, spare, useless, excessive)
1
limitless(unreasonable, extravagant, excessive, unwarranted)
1
overboard(unreasonable, extravagant, excessive, unwarranted)
1
overflowing(noun, adjective, spare, luxury)
1
overkill(spare, unreasonable, extravagant, excess)
1
plethoric(unreasonable, extravagant, excessive, unwarranted)
1
prodigal(unreasonable, extravagant, excessive, unwarranted)
1
profligate(unreasonable, extravagant, excessive, unwarranted)
1
profuse(adjective, spare, useless, excessive)
1
recrementitious(unreasonable, extravagant, excessive, unwarranted)
1
residuary(adjective, spare, useless, excessive)
1
self-indulgent(unreasonable, extravagant, excessive, unwarranted)
1
sky-high(unreasonable, extravagant, excessive, unwarranted)
1
steep(unreasonable, extravagant, excessive, unwarranted)
1
stiff(unreasonable, extravagant, excessive, unwarranted)
1
stratospheric(unreasonable, extravagant, excessive, unwarranted)
1
supernatural(unreasonable, extravagant, excessive, unwarranted)
1
too many(expression, new, unreasonable, extravagant)
10 years ago|25k views|share |citing 
APASmart Define. (2016). extra thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/extra/thesaurus/synonyms
ChicagoSmart Define. 2016. "extra thesaurus" https://smartdefine.org/extra/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, extra thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/extra/thesaurus/synonyms>.
MLASmart Define. "extra thesaurus" 30 March 2016. Web. 25 September 2026. <https://smartdefine.org/extra/thesaurus/synonyms>