68 entries under expensive topic. ×

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implausible(adjective, excessive, steep, high-priced)
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improvident(adjective, excessive, steep, high-priced)
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imprudent(adjective, excessive, steep, high-priced)
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inordinate(adjective, excessive, steep, high-priced)
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invaluable(adjective, steep, high-priced, costly)
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ludicrous(adjective, excessive, steep, high-priced)
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nonsensical(adjective, excessive, steep, high-priced)
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out of sight(expression, adjective, idiom, steep)
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overpriced(adjective, excessive, steep, high-priced)
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preposterous(adjective, excessive, steep, high-priced)
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pretty penny(expression, adjective, steep, high-priced)
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pricey(adjective, steep, high-priced, costly)
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prodigal(adjective, rich, lavish, excessive)
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profligate(adjective, excessive, steep, high-priced)
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reckless(adjective, excessive, steep, high-priced)
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ridiculous(adjective, excessive, steep, high-priced)
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silly(adjective, excessive, steep, high-priced)
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sky-high(adjective, steep, high-priced, costly)
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spendthrift(adjective, excessive, steep, high-priced)
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steep(adjective, excessive, high-priced, costly)
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APASmart Define. (2015). ostentatious thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/ostentatious/thesaurus/synonyms
ChicagoSmart Define. 2015. "ostentatious thesaurus" https://smartdefine.org/ostentatious/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, ostentatious thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/ostentatious/thesaurus/synonyms>.
MLASmart Define. "ostentatious thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/ostentatious/thesaurus/synonyms>