Synonyms|99Antonyms|0|Broader|1Narrower|0Related|46
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self-love
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self-opinion
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self-satisfaction
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show-off(noun, boaster)
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sickness
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smart aleck(noun, expression, boaster, show-off, know-all)
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smarty-pants(noun, know-all)
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smugness
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stuffed shirt(expression, idiom)
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swellheadedness
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theoretician
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theorist
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trumpeter(noun, boaster)
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uppity
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vaingloriousness
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vainness
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vanity
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virtuoso
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wise guy(noun, expression, know-all)
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APASmart Define. (2015). bighead thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/bighead/thesaurus/synonyms
ChicagoSmart Define. 2015. "bighead thesaurus" https://smartdefine.org/bighead/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, bighead thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/bighead/thesaurus/synonyms>.
MLASmart Define. "bighead thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/bighead/thesaurus/synonyms>