What does the word pledge mean?

Usage examples for pledge

  1. I'll pledge you my word of honour he's never had a day's illness, or made a single mistake, since he's been with me. – Basil by Wilkie Collins
  2. Then he turned to the others and said: " Who will wed this lady and help me to keep my royal pledge? – Hero-Myths & Legends of the British Race by Maud Isabel Ebbutt
  3. " We don't suppose anything, and we don't pledge or commit ourselves to anything. – Caught in a Trap by John C. Hutcheson