Old Faithful

noun

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

Word History and Origins

Origin of Old Faithful¹

So named because of the longevity and regularity of its activity

Example Sentences

I’m hoping the rocks will keep Old Faithful under control until I can purchase a pump that only moves about 100 gallons per hour.

From Los Angeles Times

The 60-year-old woman was injured Monday while walking off trail near Mallard Lake Trailhead and the iconic Old Faithful geyser, park officials said.

From Los Angeles Times

As someone who once accidentally got into a spat with another grown adult at Yellowstone National Park while attempting to help my 5-year-old niece steal a peek at Old Faithful, I know all too well the way chaotic tourist crowds can get under my skin.

From Los Angeles Times

I’m hoping the rocks will keep Old Faithful under control until I can purchase a pump that only moves about 100 gallons per hour.

From Los Angeles Times

The service closed the area, a few miles from the Old Faithful geyser.

From BBC

Related Words

• committed
• devoted
• enthusiastic
• faithful
• zealous