What does the word Unless mean?

Usage examples for Unless

  1. I refuse to listen to another word unless you come out and speak plain English." – What Dreams May Come by Gertrude Franklin Horn Atherton
  2. For, unless I find out, he can't care about me much longer- I see it- he can't! – A Bride from the Bush by E. W. (Ernest William) Hornung
  3. Then in case she does go and you go with her, you will know nothing whatever about anything, of course, unless you get the story from her. – Whispering Smith by Frank H. Spearman