49 entries under adjective topic. ×

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gruff
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grumpy
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harsh
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heavy
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honest
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inflexible
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inhumane
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intelligible
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lurid
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obtuse
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ordinary
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parched
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plain
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ragged
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rude
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rugged
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simple
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slack
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slow
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sluggish
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APASmart Define. (2015). sharpen thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/sharpen/thesaurus/antonyms
ChicagoSmart Define. 2015. "sharpen thesaurus" https://smartdefine.org/sharpen/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2015, sharpen thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/sharpen/thesaurus/antonyms>.
MLASmart Define. "sharpen thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/sharpen/thesaurus/antonyms>