127 entries under irritable topic. ×

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eccentric(grumpy, cantankerous, crusty)
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eristic(adjective, rude, unpleasant, unfriendly)
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excitable(lively, fiery, courageous, argumentative)
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fiery(lively, courageous, strenuous, argumentative)
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gladiatorial
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hasty
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have chip on shoulder(expression, idiom, argumentative)
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hot-tempered
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hotheaded(touchy, argumentative, irascible)
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impassioned(strenuous, argumentative, stressful)
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litigious(argumentative, quarrelsome)
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lowest(rough, rude, hostile, touchy)
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moody(touchy, irascible)
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odd(strange, grumpy, cantankerous, crusty)
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out of sorts(expression, adjective, idiom, rude, unpleasant)
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passionate
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pugnacious(argumentative, quarrelsome, unruly, disobedient)
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queer(grumpy, cantankerous, crusty)
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ructious
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short-tempered(grumpy, bad-tempered, tetchy)
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APASmart Define. (2016). difficult thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/difficult/thesaurus/synonyms
ChicagoSmart Define. 2016. "difficult thesaurus" https://smartdefine.org/difficult/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, difficult thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/difficult/thesaurus/synonyms>.
MLASmart Define. "difficult thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/difficult/thesaurus/synonyms>