1
blower(noun, braggart)
1
blowhard(noun, fool, bore, brag, peacock)
1
bluffer(noun, braggart)
1
bossy(aloof, pretentious, haughty, cavalier, conceited)
1
brag(noun, peacock, braggart, hotshot, boaster)
1
cavalier(aloof, pretentious, haughty, conceited, presumptuous)
1
cheeky(fresh, aloof, pretentious, impertinent, cavalier)
1
disdainful(aloof, pretentious, haughty, cavalier, conceited)
1
domineering(aloof, pretentious, vain, haughty, cavalier)
1
educated person
1
egghead(noun, intellectual, brain)
1
egocentric
1
haughty(fresh, aloof, pretentious, impertinent, cavalier)
1
high-handed(aloof, pretentious, haughty, cavalier, conceited)
1
high and mighty(expression, idiom, fresh, aloof, pretentious)
1
hotshot(noun, adjective, certain, sure, brag)
1
immodest
1
insolent(aloof, pretentious, haughty, cavalier, conceited)
1
lordly(certain, aloof, sure, pretentious, self-assured)
1
overbearing(aloof, pretentious, arrogant, haughty, cavalier)
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APASmart Define. (2015). know-it-all thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/know-it-all/thesaurus/synonyms
ChicagoSmart Define. 2015. "know-it-all thesaurus" https://smartdefine.org/know-it-all/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, know-it-all thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/know-it-all/thesaurus/synonyms>.
MLASmart Define. "know-it-all thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/know-it-all/thesaurus/synonyms>