gap

a credibility gap

a difference between what someone says about a situation and what you know or see is true. There's a credibility gap developing between me and my builders. This is the third week they've told me they'll finish by Friday.

a generation gap

the lack of understanding between older and younger people that is caused by their different experiences, opinions and behaviour. It is unusual for a singer to bridge the generation gap and appeal to both young and old alike. There's a big age difference between us but we've never been troubled by a generation gap.

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bridge the gap

to make a connection where there is a great difference. He promises to change the tax laws to bridge the gap between the rich and poor.

Usage notes: often used with between, as in the example

See also: bridge