Synonyms|528Antonyms|171|Broader|5Narrower|1Related|1.3k
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slumbering
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snoozing
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stalwart
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stout
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stouthearted
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subliminal
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supercilious
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temerarious
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unacquainted
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unacquainted with
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unconscious
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unconsidered
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uncurious
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undaunted
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undiscerning
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unfocused
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ungrateful
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uninformed
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uninterested
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unknowing
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APASmart Define. (2015). heedful thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/heedful/thesaurus/antonyms
ChicagoSmart Define. 2015. "heedful thesaurus" https://smartdefine.org/heedful/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, heedful thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/heedful/thesaurus/antonyms>.
MLASmart Define. "heedful thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/heedful/thesaurus/antonyms>