definition of
[drop out]

[1] #1 drop out v. give up in the face of defeat of lacking hope; admit defeat; "In the second round, the challenger gave up". wn

[2] #2 drop out v. withdraw from established society, especially because of disillusion with conventional values; "She hasn't heard from her brother in years--he dropped out after moving to California". wn

[3] #3 drop out v. leave school or an educational program prematurely; "Many students drop out because they are not prepared for our challenging program". wn