What does the word extinct mean?

Usage examples for extinct

  1. It has not a feather's weight of importance in the minds of the worldly, the fashionable, the pleasure- seeking; its sentiment is extinct, save in a few faithful ignorant hearts, who adore what they cannot comprehend, and live in a state of hope that all will come right in some vague future." – The Mystery of a Turkish Bath by E.M. Gollan (AKA Rita)
  2. Rick looked up at the extinct cone of El Viejo. – The Flaming Mountain by Harold Leland Goodwin
  3. It was, he said, highly mountainous- in fact he believed it to be an extinct volcano, with a water filled crater reached only by a narrow passage from the sea. – The Image and the Likeness by John Scott Campbell