92 entries under wasteful topic. ×

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grandiose(adjective, extravagant, splendid, lavish, excessive)
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half-baked(incompetent, unproductive)
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implausible(adjective, excessive, expensive, steep, high-priced)
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improficient(incompetent, unproductive)
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incapable(incompetent, unproductive)
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ineffective(incompetent, unproductive)
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ineffectual(incompetent, unproductive)
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inefficacious(incompetent, unproductive)
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inept(incompetent, unproductive)
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inexpert(incompetent, unproductive)
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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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not cut out for(expression, idiom, incompetent, unproductive)
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ornate(adjective, green, abundant, excessive, expensive)
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overpriced(adjective, excessive, expensive, steep, high-priced)
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preposterous(adjective, excessive, expensive, steep, high-priced)
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ridiculous(adjective, excessive, expensive, steep, high-priced)
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shooting blanks(expression, incompetent, unproductive)
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showy(adjective, rich, lavish, excessive, expensive)
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silly(adjective, excessive, expensive, steep, high-priced)
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APASmart Define. (2016). prodigal thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/prodigal/thesaurus/synonyms
ChicagoSmart Define. 2016. "prodigal thesaurus" https://smartdefine.org/prodigal/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, prodigal thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/prodigal/thesaurus/synonyms>.
MLASmart Define. "prodigal thesaurus" 29 February 2016. Web. 29 September 2026. <https://smartdefine.org/prodigal/thesaurus/synonyms>