What does the word estrange mean?

Usage examples for estrange

  1. It is easy to conceive how Rousseau's way of ordering himself would gradually estrange so hard a head as this. – Rousseau Volumes I. and II. by John Morley
  2. For difference of character leads to difference of aims, and the result of such diversity is to estrange friends. – Treatises on Friendship and Old Age by Marcus Tullius Cicero