have heart set against

have (one's) heart (dead) set against (something)

To be vehemently opposed to something or some action. After he moved to France, he had his heart dead set against ever returning to London. I'm sorry, I have my heart set against that color for the living room.
See also: have, heart, set
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

have one's heart (dead) set against something

Fig. to be totally against something; to be opposed to something. Jane has her heart dead set against going to Australia. John has his heart set against going to college.
See also: have, heart, set
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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