What does the word antediluvian mean?

Usage examples for antediluvian

  1. In the first volume of his " Antiquites Celtiques," published in 1847, M. Boucher de Perthes styled these older tools " antediluvian," because they came from the lowest beds of a series of ancient alluvial strata bordering the valley of the Somme, which geologists had termed " diluvium." – The Antiquity of Man by Charles Lyell
  2. The average speed of our antediluvian express is from five to seven miles an hour, but it is perfectly satisfactory to these deliberate people; and as to ourselves, we are enjoying everything too much to wish it shortened by one minute. – Odd Bits of Travel with Brush and Camera by Charles M. Taylor, Jr.
  3. The antediluvian animals are set in a beech- wood on a slope at least half a mile across the park from the castle. – The Enchanted Castle by E. Nesbit