v.1. To flee; escape: As the soldiers approached the town, many people ran away. The mouse ran away from the cat.
2. To secretly leave one's home to escape it: Every year, many teenagers run away and never return home.
3. To secretly leave one's home to elope or have a romantic relationship: They didn't want to deal with a big wedding, so they ran away to Las Vegas.
4. run away with To surpass an opponent and attain some prize: They ran away with the championship, defeating every opponent handily.