make (an) allowance for something

idiomPart ofallowance

make (an) allowance for something — idiom

1. to leave room in a plan, calculation, or budget for a possible delay or extra co

1.idiom
Definition

to leave room in a plan, calculation, or budget for a possible delay or extra cost that may come up.

Example

We left two hours early to make allowance for traffic at the border.

The architect made an allowance for wood that shrinks during winter.