drop out

(noun) someone who quits school before graduation. Synonyms: dropout.

(noun) someone who withdraws from a social group or environment. Synonyms: dropout.

(verb) give up in the face of defeat of lacking hope; admit defeat. Synonyms: drop out, give up, fall by the wayside, drop by the wayside, throw in, throw in the towel, quit, chuck up the sponge. Example: "In the second round, the challenger gave up."

(verb) withdraw from established society, especially because of disillusion with conventional values. Synonyms: drop out. Example: "She hasn't heard from her brother in years--he dropped out after moving to california."

(verb) leave school or an educational program prematurely. Synonyms: drop out. Example: "Many students drop out because they are not prepared for our challenging program."