It means "escape from somebody or something"

Hi What does run away MEAN? Run away = escape, to leave a place

"Run away" as a verb = to escape or flee ("Anne Franks ran* away and hid from the Nazis.") *ran away is the past tense form of run away.

"Run away" as a noun = someone who has ran away ("The run away is a young girl who fled her home because her father abused and beat her.")