think better of it/(something)

think better of it/(something)

To decide against doing something because one realizes it is not a good idea. I was going to try to steal the other team's mascot costume, but I thought better of it when I saw the security guard at the entrance. I'm glad you thought better of dying your hair white. It would not have been a good look for you.
See also: better, of, think
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

think better of someone or something

to raise one's opinion of someone or something. I think better of him since I saw how well he does in the sales meetings. I hope that you will think better of the plan now.
See also: better, of, think

think better of something

to reconsider doing something and end up not doing it. I hope that you will think better of what you are doing and how many people you are hurting. I will think better of making such a careless remark next time.
See also: better, of, think
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

think better of

Reconsider, change one's mind about, as in I hope you'll think better of it before you quit your job. [c. 1600]
See also: better, of, think
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

think ˈbetter of it/of doing something

decide not to do something that you were intending to do: He was about to say something, but then he thought better of it and kept quiet.
See also: better, of, something, think
Farlex Partner Idioms Dictionary © Farlex 2017

think better of

To change one's mind about (a course of action) after reconsideration: I almost bought an expensive watch, but then I thought better of it.
See also: better, of, think

think better of

To change one's mind about; reconsider.
See also: better, of, think
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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