a world of difference


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a world of difference

 
1. if there is a world of difference between two people or things, they are very different (usually + between ) There's a world of difference between seeing a film on video and seeing it in the cinema.
2. if something makes a world of difference, it improves something very much A little sympathy makes a world of difference to someone who's been badly treated.
See also: difference, of, world