106 entries under extreme topic. ×

1
overkill(false, unreasonable, extravagant, senseless)
1
peremptory(improper, senseless, excessive, arbitrary)
1
plethoric(unreasonable, extravagant, excessive, unwarranted)
1
posh(adjective, fancy, high, stiff)
1
prerupt(adjective, sharp, course, sheer)
1
prodigal(adjective, unreasonable, extravagant, extra)
1
profligate(adjective, unreasonable, extravagant, extra)
1
recrementitious(unreasonable, extravagant, excessive, unwarranted)
1
redundant(unreasonable, extravagant, excessive, unwarranted)
1
self-indulgent(unreasonable, extravagant, excessive, unwarranted)
1
super(unreasonable, extravagant, excessive, unwarranted)
1
superabundant(unreasonable, extravagant, excessive, unwarranted)
1
superfluous(unreasonable, extravagant, excessive, unwarranted)
1
supernatural(unreasonable, extravagant, excessive, unwarranted)
1
too-too(adjective, false, extravagant, excessive)
1
too many(expression, unreasonable, extravagant, excessive)
1
unbalanced(adjective, extravagant, excessive, expensive)
1
unbounded(unreasonable, extravagant, excessive, unwarranted)
1
uncalled-for(adjective, unreasonable, high, improper)
1
unmeasurable(adjective, unreasonable, extravagant, extra)
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APASmart Define. (2015). steep thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/steep/thesaurus/synonyms
ChicagoSmart Define. 2015. "steep thesaurus" https://smartdefine.org/steep/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, steep thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/steep/thesaurus/synonyms>.
MLASmart Define. "steep thesaurus" 24 December 2015. Web. 26 September 2026. <https://smartdefine.org/steep/thesaurus/synonyms>