What does the word obligatory mean?

Usage examples for obligatory

  1. Was it not a fact that celibacy had only been made obligatory in Ireland in the twelfth century? – The Untilled Field by George Moore
  2. Whatever property is left, after paying these obligatory sums, is divided among the rightful heirs under the direction of the court, and in the manner provided by law. – Business Hints for Men and Women by Alfred Rochefort Calhoun
  3. It would declare that an act which, according to the principles and theory of our government, is entirely void, is yet, in practice, completely obligatory. – John Marshall and the Constitution A Chronicle of the Supreme Court, Volume 16 In The Chronicles Of America Series by Edward S. Corwin