American Dictionary

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Definition surface in American English

surface noun

noun
/ˈsɜrfəs/
1

the top layer or outside part of something

Example

a smooth/rough/hard surface

Example

Road surfaces are slick from the icy rain.

Example

Wipe the surface with a damp cloth.

Synonyms and related words
1.1

the top layer of water or land

Example

We saw fish swimming just under the surface of the water.

Example

A farmer was spreading fertilizer over the surface of the soil.

Example

the surface of Mars

Synonyms and related words
2

a flat area of a desk, table, etc. that you use for working on

Example

Papers and books covered the surface of the desk.

Example

All counter surfaces in the kitchen should be carefully cleaned.

Synonyms and related words
2.1

a flat area used for playing sports, or the material used for making this area

Example

Many tennis players dislike the grass surface at Wimbledon.

Example

a new playing surface that is expected to replace Astroturf

Synonyms and related words
3

the way that someone or something looks or seems while their true feeling or character remains hidden

Example

Underneath his cool surface was a growing sense of insecurity.

Example

Hostility lies beneath the surface of calm in the region.

Example

On the surface, they looked like a happily married couple.

Synonyms and related words
3.1

the aspect of someone's inner feeling that they show in their behavior or appearance

Example

He could feel his frustration and rage rising to the surface.

4

one of the sides of an object

Example

A cube has six surfaces.

Synonyms and related words
Definition surface in American English