Meaning of “go away” - Learner’s Dictionary

go away

phrasal verb with go uk us /ɡəʊ/ verb [ I ] (present participle going, past tense went, past participle gone)
LEAVE

B1 to leave a place:

Go away - I'm busy.
HOLIDAY

B1 to leave your home in order to spend time in a different place, usually for a holiday:

They're going away for a few weeks in the summer.
DISAPPEAR

to disappear:

That smell seems to have gone away.

(Definition of “go away” from the Cambridge Learner’s Dictionary © Cambridge University Press)