drop out

Verb

• leave school or an educational program prematurely
  • Many students drop out because they are not prepared for our challenging program
    

• 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
    

• give up in the face of defeat of lacking hope; admit defeat
  • In the second round, the challenger gave up
    

Related words

• Synonyms: 
  give up , fall by the wayside , drop by the wayside , throw in , throw in the towel , quit , chuck up the sponge
• Antonyms: 
  enter , participate