17 entries under steep topic. ×

4
sky-high(adjective, big, usual, unreasonable, extreme)
3
excessive(adjective, extreme, high, unwarranted)
3
exorbitant(adjective, unreasonable, extreme, high, extravagant)
3
extreme(adjective, unreasonable, high, extravagant, unwarranted)
3
stiff(adjective, big, usual, unreasonable, extreme)
3
unconscionable(adjective, big, usual, unreasonable, extreme)
3
unreasonable(adjective, extreme, high, extravagant, unwarranted)
2
inordinate(adjective, unreasonable, extreme, high, extravagant)
2
immoderate(adjective, unreasonable, extreme, high, extravagant)
2
towering(adjective, unreasonable, extreme, high, extravagant)
2
undue(adjective, unreasonable, extreme, high, extravagant)
1
high(adjective, informal)
1
overpriced(adjective, high, excessive, elevated)
1
unmeasurable(adjective, unreasonable, extreme, high, extravagant)
0
dizzying(adjective, unreasonable, extreme, high, extravagant)
0
extortionate
0
uncalled-for
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APASmart Define. (2013). stratospheric thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/stratospheric/thesaurus/synonyms
ChicagoSmart Define. 2013. "stratospheric thesaurus" https://smartdefine.org/stratospheric/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2013, stratospheric thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/stratospheric/thesaurus/synonyms>.
MLASmart Define. "stratospheric thesaurus" 17 June 2013. Web. 26 September 2026. <https://smartdefine.org/stratospheric/thesaurus/synonyms>