Meaning of whether

wheth•er

Pronunciation: (hwe'ur, we'-), [key]
— conj.
  1. (used to introduce the first of two or more alternatives, and sometimes repeated before the second or later alternative, usually with the correlative or): It matters little whether we go or stay. Whether we go or whether we stay, the result is the same.
  2. (used to introduce a single alternative, the other being implied or understood, or some clause or element not involving alternatives): See whether or not she has come. I doubt whether we can do any better.
  3. (used to introduce a question presenting alternatives, usually with the correlative or).
  4. under whatever circumstances; regardless: He threatens to go whether or no.
—pron. Archaic.
  1. which or whichever (of two)?
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.