why ever...?

why ever

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?"
See also: ever, why
Farlex Dictionary of Idioms.

why ˈever...?

used in questions to mean ‘why?’, expressing surprise: Why ever didn’t you tell us?
See also: why
Farlex Partner Idioms Dictionary
See also:
  • (Is) that everything?
  • believe it or not
  • bion
  • as one does
  • come in
  • come in a certain position
  • come on in
  • as you do
  • first rule of (something): do not talk about (something)
  • be (flat) on (one's) back