drop out vs depart

drop out and depart both are verbs.

Word	Noun	Adjective	Verb	Adverb
drop out	No	No	Yes	No
depart	No	No	Yes	No

As verbs, depart is a hypernym of drop out; that is, depart is a word with a broader meaning than drop out:

Other hypernyms of drop out include leave, pull up stakes.

drop out (verb)	depart (verb)
give up in the face of defeat of lacking hope; admit defeat	go away or leave
leave school or an educational program prematurely	depart for someplace
withdraw from established society, especially because of disillusion with conventional values	wander from a direct or straight course
	move away from a place into another direction
	remove oneself from an association with or participation in
	be at variance with; be out of line with