Meaning of adamant

ad•a•mant

Pronunciation: (ad'u-munt, -mant"), [key]
— adj.
  1. utterly unyielding in attitude or opinion in spite of all appeals, urgings, etc.
  2. too hard to cut, break, or pierce.
—n.
  1. any impenetrably or unyieldingly hard substance.
  2. a legendary stone of impenetrable hardness, formerly sometimes identified with the diamond.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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