Run away Definition 1 of 4Pro Tip 1/3Unexpected Departure Used when someone leaves without warning, causing surprise or concern. After the fight, Jake ran away without a word. Pro Tip 2/3Without Permission Implies leaving without seeking or receiving approval, often used for minors. Teenagers often threaten to run away when they're mad at their parents. Pro Tip 3/3In Secret The action is done covertly, usually to avoid confrontation or consequences. She packed a small bag and ran away in the night.