make up one's mind

idiom

Definition of make up one's mind

: to make a decision about something : to decide I can't make up my mind where to take my vacation. He's thinking about going, but he still hasn't made up his mind (about it). I can't decide for you. You'll have to make up your own mind.

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“Make up one's mind.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/make%20up%20one%27s%20mind. Accessed 30 Sep. 2020.

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