run away with phrasal 1.: to take away in haste or secretly; often: steal 2.: to take in a hauling part (as of a fall, tackle, or brace) by holding fast to it and running along the deck 3.: to become conspicuous in or outshine the others in (a theatrical performance) < in the minor role of the hero's uncle he succeeded in running away with the show > 4.: to carry or drive beyond prudent or reasonable limits < let his imagination run away with him >