Synonyms|213Antonyms|17|Broader|0Narrower|1Related|152
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fussy(tough, problematic, trying)
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gymnastic
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hard to please(expression, idiom, tough, problematic, trying)
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impenetrable
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impolite(tough, problematic, trying)
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in full swing
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indefatigable
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intent
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intractable(tough, problematic, trying)
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irritable(tough, problematic, trying)
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jumping
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lowering
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merciless(adjective, tough, rough, difficult, heavy)
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meticulous
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oafish(tough, problematic, trying)
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obstreperous(tough, problematic, trying)
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occupied
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on the go
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perky
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persisting
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APASmart Define. (2015). operose thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/operose/thesaurus/synonyms
ChicagoSmart Define. 2015. "operose thesaurus" https://smartdefine.org/operose/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, operose thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/operose/thesaurus/synonyms>.
MLASmart Define. "operose thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/operose/thesaurus/synonyms>