Old Faithful
Americannoun
Etymology
Origin of Old Faithful
So named because of the longevity and regularity of its activity
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Even the Old Faithful geyser becomes less faithful: its usually regular eruptions become harder to predict.
From Science Daily ● Sep. 22, 2026
In 1871 Jackson took one of the first photographs of the Old Faithful geyser in the Yellowstone region of Wyoming.
From The Wall Street Journal ● Nov. 7, 2025
The service closed the area, a few miles from the Old Faithful geyser.
From BBC ● Jul. 24, 2024
West Yellowstone serves as the gateway to Yellowstone National Park, home to popular attractions such as the famed Old Faithful geyser.
From Los Angeles Times ● Jul. 24, 2023
The crowd became quiet a few minutes before Old Faithful was due to go off.
From "Walk Two Moons" by Sharon Creech
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.