terrain

noun

ter·​rain tə-ˈrān 

also te-

1

a(1)

: a geographic area

(2)

: a piece of land : ground

b

: the physical features of a tract of land

2

: terrane sense 1

3

a

: a field of knowledge or interest

b

: environment, milieu

Synonyms of terrain

• area
• realm
• element
• field
• domain
• walk
• department
• sphere
• kingdom

Examples of terrain in a Sentence

We had to drive over some rough terrain.

We hiked through a variety of terrains.

Recent Examples on the Web

The fire moved north from Oceanside Boulevard toward the El Corazon Senior Center, with wind and terrain helping fuel its spread. —Teri Figueroa, San Diego Union-Tribune, 25 Apr. 2026

And while the expansive views can be appreciated atop skis, of course, one of the best ways to experience the limitless terrain is simply to head out on a hike. —Condé Nast Traveler, 25 Apr. 2026

Unlike city marathons filled with energetic spectators cheering runners on, Antarctica offered only silence and the constant battle to keep moving forward on unstable terrain. —Tereza Shkurtaj, PEOPLE, 25 Apr. 2026

The Golden State—the fourth-largest economy in the world—essentially operates as an island sandwiched between the Pacific Ocean on one side and mountainous terrain on the other. —Jordan Blum, Fortune, 24 Apr. 2026

Word History

Etymology

French, land, ground, from Old French terrein, from Vulgar Latin *terranum, alteration of Latin terrenum, from neuter of terrenus of earth — more at terrene

First Known Use

1766, in the meaning defined at sense 1a(1)

Phrases Containing terrain

• all-terrain vehicle

Rhymes for terrain

• abstain
• airplane
• alkane
• arcane
• arraign
• attain
• backplane
• betaine
• biplane
• blockchain
• butane
• campaign

Kids Definition

terrain

noun

ter·​rain tə-ˈrān 

also te-

: the surface features of an area of land

rough terrain