Main entry: quit, throw in, throw in the towel, drop by the wayside, drop out, fall by the wayside, chuck up the sponge, give up
Definition: give up in the face of defeat of lacking hope; admit defeat
Usage: In the second round, the challenger gave up
Main entry: drop out
Definition: leave school or an educational program prematurely
Usage: Many students drop out because they are not prepared for our challenging program
Main entry: drop out
Definition: withdraw from established society, especially because of disillusion with conventional values
Usage: She hasn't heard from her brother in years--he dropped out after moving to California