1
extortionate(adjective, unreasonable, high, excessive, expensive)
1
extravagant(adjective, fancy, unreasonable, extreme, high)
1
fancy(adjective, high, extravagant, valuable, expensive)
1
flying(adjective, great, big, high, large)
1
formidable(adjective, great, big, large, lofty)
1
giant(adjective, great, big, high, large)
1
gigantic(adjective, great, big, large, excessive)
1
grand(adjective, great, big, large, lofty)
1
high-priced(adjective, fancy, unreasonable, high, extravagant)
1
high-reaching(adjective, great, big, high, large)
1
high-rise(adjective, high, lofty, tall, elevated)
1
high rise(expression, adjective, great, big, large)
1
highway robbery(expression, adjective, fancy, high, extravagant)
1
holdup(adjective, fancy, high, extravagant, lavish)
1
hovering(adjective, great, big, large, lofty)
1
huge(adjective, great, big, large, excessive)
1
immense(adjective, great, big, large, excessive)
1
indulgent(adjective, unreasonable, extreme, extravagant, extra)
1
intemperate(unreasonable, extreme, extravagant, excessive, unwarranted)
1
invaluable(adjective, fancy, high, extravagant, lavish)
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APASmart Define. (2015). sky-high thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sky-high/thesaurus/synonyms
ChicagoSmart Define. 2015. "sky-high thesaurus" https://smartdefine.org/sky-high/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, sky-high thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sky-high/thesaurus/synonyms>.
MLASmart Define. "sky-high thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/sky-high/thesaurus/synonyms>