Synonyms|462Antonyms|27|Broader|1Narrower|0Related|157

68 entries under costly topic. ×

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flamboyant(adjective, excessive, expensive, steep, high-priced)
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flashy(adjective, excessive, expensive, steep, high-priced)
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garish(adjective, excessive, expensive, steep, high-priced)
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gaudy(adjective, excessive, expensive, steep, high-priced)
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grandiose(adjective, excessive, expensive, steep, high-priced)
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holdup(adjective, expensive, steep, high-priced)
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implausible(adjective, excessive, expensive, steep, high-priced)
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improvident(adjective, excessive, expensive, steep, high-priced)
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imprudent(adjective, excessive, expensive, steep, high-priced)
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indulgent(adjective, excessive, expensive, steep, high-priced)
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ludicrous(adjective, excessive, expensive, steep, high-priced)
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nonsensical(adjective, excessive, expensive, steep, high-priced)
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ornate(adjective, excessive, expensive, steep, high-priced)
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ostentatious(adjective, excessive, expensive, steep, high-priced)
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plush(adjective, expensive, steep, high-priced)
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pretentious(adjective, excessive, expensive, steep, high-priced)
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pretty penny(expression, adjective, expensive, steep, high-priced)
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prodigal(adjective, excessive, expensive, steep, high-priced)
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profligate(adjective, excessive, expensive, steep, high-priced)
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reckless(adjective, excessive, expensive, steep, high-priced)
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APASmart Define. (2015). extortionate thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/extortionate/thesaurus/synonyms
ChicagoSmart Define. 2015. "extortionate thesaurus" https://smartdefine.org/extortionate/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, extortionate thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/extortionate/thesaurus/synonyms>.
MLASmart Define. "extortionate thesaurus" 24 December 2015. Web. 26 September 2026. <https://smartdefine.org/extortionate/thesaurus/synonyms>