Old Faithful

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noun
  1. one of the best known geysers of Yellowstone National Park.

Origin of Old Faithful

1
So named because of the longevity and regularity of its activity

Words Nearby Old Faithful

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use Old Faithful in a sentence

  • Of course Jimmy knew how Old Faithful had done it, but then he knew what a really prize bloodhound is capable of.

  • It contained a lithograph in stereo of some scene in Yellowstone other than Old Faithful blowing its stack.

    Highways in Hiding | George Oliver Smith
  • One of the inns—Old Faithful—cannot be matched anywhere in the world.

    To Geyserland | Edward F. Colborn