had better (do something)

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had better (do something)

Should. You had better listen to what I'm saying before you get yourself into more trouble.
See also: better
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

had better

Also, had best. Ought to, should. For example, You had better finish this one before starting another, or We had best be going. [Mid-1400s] Also see you'd better believe it.
See also: better
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.

had better/best do something

used to tell somebody what you think they should do: You’d better lock the door before you leave: there are lots of thieves about.Hadn’t you better check to see if the baby is all right?‘Shall I phone her now?’ ‘You’d best not. She might be asleep.’
See also: better, something
Farlex Partner Idioms Dictionary © Farlex 2017

had better

/best Usage Problem
To be wise or obliged to; should or must: He had better do what he is told. You had best bring a raincoat in this weather.
See also: better
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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