make up your mind

Also found in: Acronyms.

make up (one's) mind

1. To make a final decision after a period of consideration. Also seen as "make (one's) mind up." I've made up my mind, and I think we should move after all. I'm not sure what flavor I want—I'm still making my mind up.

2. To become convinced of a particular course of action. Also seen as "make (one's) mind up." Right then and there, I made up my mind that I would become a police officer when I grew up.

make up your mind

make a decision; decide.

make up your ˈmind

make your ˈmind up

decide something: I’ve made up my mind to be a doctor. ♢ She’s finally made her mind up. ♢ My mind is made up and nothing will change it. ♢ Come on! It’s make your mind up time (= time to make a decision).