1. [ verb ] give up in the face of defeat of lacking hope; admit defeat
Synonyms: give_up throw_in throw_in_the_towel fall_by_the_wayside leave drop_by_the_wayside chuck_up_the_sponge quit

"In the second round, the challenger gave up"

Related terms: enter quitter
2. [ verb ] leave school or some other program prematurely

"Many students drop out because they are not prepared for our challenging program"

Related terms: leave dropout
Similar spelling:   dropout