Synonyms

mountain bike

American

noun

a bicycle designed for off-road use, typically having a smaller and sturdier frame and smaller and wider tires than a standard bicycle.

mountain bike British

noun

a type of sturdy bicycle with at least 16 and up to 21 gears, straight handlebars, and heavy-duty tyres

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

mountain biker noun
mountain biking noun

Etymology

Origin of mountain bike

1985–90

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.

"He had such a great attitude. We'd chat between patients about trying to get in a mountain bike ride together. Will never happen now," Drekonja wrote on the social media platform Bluesky.

From Barron's • Jan. 25, 2026

“We’d chat between patients about trying to get in a mountain bike ride together. Will never happen now.”

From The Wall Street Journal • Jan. 25, 2026

In 2017, he bought a mountain bike, to celebrate the end of his treatment for non-Hodgkin lymphoma.

From Los Angeles Times • Aug. 31, 2025

The suspect is described as a white woman, approximately 35 years old, with dark hair, seen riding a pink and red mountain bike, and carrying a blue Co-op bag.

From BBC • Mar. 21, 2025

No rebuilt motor, no fancy mountain bike, no nothing.

From "The Young Man and the Sea" by Rodman Philbrick

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023