SAT TOEFL bumptious Definition Offensively self-assertive or conceited. Example "His bumptious attitude made it hard for others to work with him." Sign in to save SAT Quiz → TOEFL Quiz → ← bumper bunch → Study tips featuring "bumptious" Map Each Word Into a Connected Network Map the Author's Attitude Before Reading Questions Track How TOEFL Words Behave With Others Related words SAT antonym SAT abase SAT abdicate SAT abdomen SAT abduction SAT abet SAT abeyance SAT abject SAT abjure SAT ablution SAT abnegate SAT abnormal