Definition of mountain
- The sun set behind the mountains.
- a mountain of a man
- —E. K. Brown
- a mountain of mail
- a mountain of debt
She watched the sun set behind the mountains.
a cabin in the mountains
They both like mountain climbing.
We've received a mountain of mail.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mountain.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use: 13th centurySee Words from the same year
: an area of land that rises very high above the land around it and that is higher than a hill
: a very large amount of something
What made you want to look up mountain? Please tell us where you read or heard it (including the quote, if possible).
of yeast or being unsettled or frivolous
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