Used to add emphasis to the normal question "why." Sometimes used ironically or sarcastically. Why ever did you get into business with that crook? A: "John, did you take Samantha's book?" B: "Now, why ever would you accuse me of that?"
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
why ˈever...?used in questions to mean ‘why?’, expressing surprise: Why ever didn’t you tell us?
See also: why
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