Synonyms|909Antonyms|156|Broader|7Narrower|0Related|1.8k

78 entries under steep topic. ×

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lavish(adjective, excessive, expensive, high-priced)
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ornate(adjective, excessive, expensive, high-priced)
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ostentatious(adjective, excessive, expensive, high-priced)
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overboard(adjective, unreasonable, extravagant, ridiculous, excessive)
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plush(adjective, expensive, high-priced, costly)
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posh(adjective, expensive, high-priced, costly)
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pretty penny(expression, adjective, expensive, high-priced)
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prodigal(adjective, excessive, expensive, high-priced)
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ritzy(adjective, expensive, high-priced, costly)
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showy(adjective, excessive, expensive, high-priced)
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sky-high(adjective, unreasonable, expensive, high-priced)
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spendthrift(adjective, excessive, expensive, high-priced)
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swank(adjective, expensive, high-priced, costly)
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too high(expression, adjective, expensive, high-priced)
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uneconomical(adjective, expensive, high-priced, costly)
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up to here(expression, adjective, idiom, unreasonable, extravagant)
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upscale(adjective, expensive, high-priced, costly)
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valuable(adjective, expensive, high-priced, costly)
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APASmart Define. (2015). preposterous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/preposterous/thesaurus/synonyms
ChicagoSmart Define. 2015. "preposterous thesaurus" https://smartdefine.org/preposterous/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, preposterous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/preposterous/thesaurus/synonyms>.
MLASmart Define. "preposterous thesaurus" 2 September 2015. Web. 23 September 2026. <https://smartdefine.org/preposterous/thesaurus/synonyms>