16
irreverent(adjective, mad, bold, naughty, impudent)
15
extraneous(adjective, insignificant, unimportant, trivial, remote)
15
smart(adjective, cool, sharp, bright, attitude)
14
flippant(adjective, smart, lively, mad, bold)
14
inapplicable(adjective, separate, insignificant, unimportant, trivial)
14
inappropriate(adjective, insignificant, unimportant, trivial, bold)
13
irrelevant(adjective, separate, insignificant, unimportant, trivial)
12
curious(adjective, understanding, knowledge, pushy, meddling)
12
flip(adjective, cool, smart, attitude, informal)
12
immaterial(adjective, insignificant, unimportant, trivial, irrelevant)
10
foreign(adjective, insignificant, unimportant, trivial, remote)
10
ill-mannered(adjective, rude, bold, impolite, brazen)
10
immodest(adjective, cool, rude, bold, impudent)
10
insulting(adjective, offensive, rude, bold, blunt)
10
offensive(adjective, nasty, rude, unpleasant, disgusting)
10
unrelatable
9
malapert(adjective, attitude, mad, bold, courtesy)
9
nervy(adjective, cool, sharp, smart, bright)
9
shameless(adjective, bold, impudent, brazen, brash)
8
cocky(adjective, mad, bold, naughty, impudent)
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APASmart Define. (2015). impertinent thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/impertinent/thesaurus/synonyms
ChicagoSmart Define. 2015. "impertinent thesaurus" https://smartdefine.org/impertinent/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, impertinent thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/impertinent/thesaurus/synonyms>.
MLASmart Define. "impertinent thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/impertinent/thesaurus/synonyms>