English

Contraction

why's

1. (nonstandard) Shortened form of why is.

   Why's he doing that?

2. (nonstandard) Shortened form of why has.

   Why's everyone gone home?

Noun

why's

1. Alternative spelling of whys plural of why
   • 1977: I was never able to stop the search for the why's and how's of something so senseless as the arms race. (Nobel Peace Prize Alva Myrdal)^[1]

References

1. ↑ Myrdal, Alva (1977), The Game of Disarmament: How the United States and Russia Run the Arms Race (1st ed.), UK: Manchester University Press ND, ISBN 0-7190-0693-7, in "A Personal Note" (foreword), p. xxiii