What does the word notion mean?

Usage examples for notion

  1. I've got a funny notion that he likes it as much as I do, and, I can't tell how it is, but it sort of makes me feel good all over just to see him. – When A Man's A Man by Harold Bell Wright
  2. " Is that your notion of me," I said, laughing. – Daisy by Elizabeth Wetherell
  3. His fare interested him- he was beginning to have a notion that Ralston was somebody. – Mortmain by Arthur Cheny Train