0
up the river
-1
autist(noun, person)
-1
creep
-1
cyclothyme
-1
drip
-1
ectomorph
-1
egoist(noun, person)
-1
egotist(noun, person)
-1
endomorph
-1
evert
-1
gloomy gus
-1
ingoing
-1
inhibit
-1
afraid(adjective, modest, humble, hesitant, suspicious)
-1
unassured(adjective, modest, nervous, humble, hesitant)
-1
unresponsive(adjective, modest, nervous, humble, hesitant)
-1
unwilling(adjective, modest, humble, hesitant, suspicious)
-1
wary(adjective, modest, humble, hesitant, suspicious)
-3
tomboy(noun, person, character, behavior, romp)
-3
wimp
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APASmart Define. (2015). introvert thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/introvert/thesaurus/synonyms
ChicagoSmart Define. 2015. "introvert thesaurus" https://smartdefine.org/introvert/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, introvert thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/introvert/thesaurus/synonyms>.
MLASmart Define. "introvert thesaurus" 17 December 2015. Web. 22 September 2026. <https://smartdefine.org/introvert/thesaurus/synonyms>