45 entries under extreme topic. ×

1
more(unreasonable, extravagant, excessive, unwarranted)
1
needless(unreasonable, extravagant, excessive, unwarranted)
1
over(unreasonable, extravagant, excessive, unwarranted)
1
overboard(unreasonable, extravagant, excessive, unwarranted)
1
overkill(unreasonable, extravagant, excessive, unwarranted)
1
overmuch(adjective, unreasonable, extravagant, excessive)
1
plethoric(unreasonable, extravagant, excessive, unwarranted)
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 many(expression, unreasonable, extravagant, excessive)
1
unbounded(unreasonable, extravagant, excessive, unwarranted)
1
undue(adjective, unreasonable, high, extravagant)
1
unmeasurable(adjective, unreasonable, high, extravagant)
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APASmart Define. (2015). sky-high thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/sky-high/thesaurus/synonyms
ChicagoSmart Define. 2015. "sky-high thesaurus" https://smartdefine.org/sky-high/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, sky-high thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/sky-high/thesaurus/synonyms>.
MLASmart Define. "sky-high thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/sky-high/thesaurus/synonyms>