Meaning & use

terrain

noun·Academic

Last updated

UK/təˈreɪn/
US/təˈreɪn/

Meanings

  1. nouncountable or uncountable

    The shape and surface of a piece of land, including how rough, steep or flat it is.

    Grammar: Often uncountable (rough terrain), but a countable use appears with an adjective: a varied terrain.

    Patterns

    • rough terrain
    • terrain for something

    The truck is built for rough terrain.

    Hikers crossed rocky terrain for most of the morning.

    The flat terrain makes this a good route for cycling.

  2. noununcountablefigurative

    A field of activity or a situation, thought of as ground that has to be crossed carefully.

    Grammar: Used with adjectives such as unfamiliar or difficult, often with a verb like navigate.

    Patterns

    • navigate the terrain
    • unfamiliar terrain

    Moving to a new company meant learning unfamiliar political terrain.

    The two writers explored emotional terrain few novels touch.

    Regulators are entering uncharted legal terrain with this technology.

Word forms

pluralterrains

Common combinations

rough terrain
The jeep handled rough terrain easily.
mountainous terrain
The army struggled to cross mountainous terrain.
navigate the terrain
She learned to navigate the terrain of office politics.
difficult terrain
Difficult terrain slowed the search party.
uncharted terrain
The company is moving into uncharted terrain.

Synonyms and how they differ

landscape
It stresses the look of an area as a whole, while terrain focuses on how the ground feels to travel over.
ground
It is the everyday, general word, and terrain is more precise about the physical features.
topography
It is a technical word for the detailed surface features of an area, as shown on maps.

Word family

terrain park noun
an area at a ski resort set up with jumps and rails
terrestrial adjective
relating to land or the Earth
terrace noun
a flat step cut into a slope

Commonly confused: terrain or terrane?

terrain vs terrane

A terrane is a geological term for a block of rock with its own history, not general ground features.

Practice

The cyclists slowed down because of the steep and rocky ___.

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