From Longman Dictionary of Contemporary Englishrun away with somebody/something phrasal verb1 to secretly go away with someone in order to marry them or live with them – usually used to show disapproval His wife has run away with another man.2 run away with youEMOTIONAL if your feelings, ideas etc run away with you, they start to control how you behave Don’t let your imagination run away with you!3 your tongue runs away with you if your tongue runs away with you, you say something that you did not intend to say4 run away with the idea/impression (that) spokenTHINK/HAVE THE OPINION THAT to think that something is true when it is not Don’t run away with the impression that he doesn’t care.5 informalDSWIN to win a competition or sports game very easily The Reds ran away with the championship. → run→ See Verb table
Examples from the Corpus
run away with • A few of the students here quite like the idea of running away with a circus.• She had obviously enticed Patrick to run away with her - were they sleeping together, she wondered briefly?• But this time I really think his imagination has run away with him.• Anyway, 1978 was the year of the Lotus, and Mario Andretti ran away with the championship.• In 1984, a local favorite, Walter Mondale from neighboring Minnesota, ran away with the Iowa caucuses.run away with you• I can't let my emotions run away with me.• All right, my tongue ran away with me.• But this time I really think his imagination has run away with him.• He had let his imagination run away with him.• His tongue and his ideas for altering performances often ran away with him.• Newport looked poised to run away with it, but Bridgend refused to cave in.• She had obviously enticed Patrick to run away with her - were they sleeping together, she wondered briefly?run away with the idea/impression (that)• But don't run away with the idea it was all Jerusalem the Golden. 