mountain

noun

moun·​tain ˈmau̇n-tᵊn 

often attributive

1

a

: a landmass that projects conspicuously above its surroundings and is higher than a hill

The sun set behind the mountains.

b

: an elongated ridge

2

a

: a great mass

a mountain of a man

—E. K. Brown

b

: a vast number or quantity

a mountain of mail

a mountain of debt

Synonyms

• peak
• alp
• mount

Examples of mountain in a Sentence

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.

Recent Examples on the Web

The city of Cusco in the Andes mountains is a common gateway destination for travelers bound for Machu Picchu. —Jimena De La Quintana, CNN Money, 17 Sep. 2025

Nestled in the countryside near the picturesque village of Gordes, the 12-bedroom home offers striking mountain views along with a range of picturesque outdoor perks that include a heated pool, hammock, pétanque court, and an elegant garden. —Madeline Weinfield, Architectural Digest, 17 Sep. 2025

And so starting this new chapter on ESPN feels like a whole new mountain the company needs to climb. —Matthew Couden, MSNBC Newsweek, 17 Sep. 2025

Where the gobs of torque on track felt sufficient, if not overwhelming, all of a sudden mashing the throttle at any point in the rev range provided more than enough thrust for any situation, even on steep mountain ascents. —Michael Teo Van Runkle, Forbes.com, 17 Sep. 2025

Word History

Etymology

Middle English montaine, monteine, mounteyne, borrowed from Anglo-French muntaine, monteigne, mountaigne "elevated region, mountain range, mountain" (also continental Old French, Middle French montagne), going back to Vulgar Latin *montānea, from Latin mont-, mons "mountain, hill" + Vulgar Latin *-ānea, collective suffix, from neuter plural of Latin -āneus (from -ānus -an entry 2 + -eus -eous) — more at mount entry 1

First Known Use

13th century, in the meaning defined at sense 1a

Phrases Containing mountain

• acute mountain sickness
• American mountain ash
• Bernese mountain dog
• cat-a-mountain
• European mountain ash
• make a mountain out of a molehill
• mountain ash
• mountain bicycle
• mountain bike
• mountain biking
• mountain bluebird
• mountain chain
• mountain coati
• mountain cranberry
• mountain dew
• mountain goat
• mountain gorilla
• mountain laurel
• mountain lion
• mountain mahogany
• mountain man
• mountain sheep
• mountain sickness
• mountain time
• snow-on-the-mountain
• Welsh mountain pony

Rhymes for mountain

• fountain
• intermountain

Kids Definition

mountain

noun

moun·​tain ˈmau̇nt-ᵊn 

1

: an elevation higher than a hill

2

: a great mass or huge number

a mountain of mail