had better

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had better

should or must I thought I had better destroy the list so that no one else would see it. You'd better get moving if you want to catch your train.
Usage notes: had is sometimes not said: If we have a problem you better hope somebody is there to help you.
See also: better

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

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