surface

SUR-fuhs/ˈsɝːfəs/UKSUR-fis/ˈsɜːfɪs/

Pluralsurfaces

Verbsurfaces, surfacing, surfaced

11 meanings of surface

Practice

1
top sidenouncountable
The outside or top layer of something, such as the top of a table, the outer side of a solid object, or the top of a body of water.
Oil floated in a thin film across the surface of the water.
She polished the wooden surface until it gleamed.
UsageThings lie on the surface and rise to the surface; what is hidden is below or beneath the surface.
2
adjective
Found on or having to do with the outer layer of something, or affecting only the outside and not deep or genuine; used before a noun.
Heavy rain washed away the surface soil in the vegetable garden.
Beneath his surface charm lay a cold and calculating nature.
UsageUsed before a noun: surface soil, surface charm. After a verb, say on the surface: his kindness was all on the surface.
Similarsuperficial, outward, external, outer
Oppositedeep, underlying, inner
Note
The noun that follows decides the shade: with soil or water the word is literal, with charm or politeness it suggests something thin and not to be trusted.
3
nounfigurativelycountable
The outward or external appearance of something, as distinct from its deeper reality.
Beneath a friendly surface, the negotiations were deeply tense.
Her cheerful surface concealed years of private grief.
UsageMost often in the phrase on the surface, used to set up a contrast with what lies beneath the surface.
Similarfacade, veneer, exterior, appearance, front
Oppositedepth, reality
Note
Vicesimus Knox in 1781 already pairs the figure with depth, scorning minds that "penetrate no deeper than the surface." Robert W. Chambers in 1907 calls a woman "smooth of surface." The figure usually implies something underneath that differs from what shows.
4
come to lightverbintransitive
To appear, become known, or come to light after being hidden, absent, or unnoticed.
Fresh evidence surfaced during the second week of the trial.
Concerns about safety eventually surface in every large project.
UsageThe subject is what appears: evidence, rumors or old photos surface, often with no one named as revealing them.
5
verbintransitive
To rise up to the surface of a body of water.
Submarines surface to recharge their batteries and take on air.
The seal surfaced for a moment, then dove again.
Similaremerge, rise
Oppositedive, submerge, sink
6
geometrynouncountable
A two-dimensional shape, flat or curved, such as one traced out by an equation in a space of three or more dimensions.
The equation describes a smooth surface curving through three-dimensional space.
Mathematicians study how surfaces bend and connect in higher dimensions.

Less common meanings

7
verbtransitive
To bring information, facts, or content to public attention; to make it known.
Investigators worked for months to surface the truth behind the scandal.
The new search tool surfaces relevant documents almost instantly.
UsageCommon in business and tech writing: a search tool surfaces results, and a manager surfaces problems to the team.
Similarreveal, uncover, expose, unearth
Oppositeconceal, hide, bury
Note
At home in talk about platforms and feeds. Keith Habersberger asks why he would "surface them to new people," then says a video will "surface less." The verb appears transitive and intransitive in the same breath.
8
lay a coatingverbtransitive
To apply a finished layer or covering to something, such as paving a road or coating a floor.
The contractor surfaced the driveway with smooth concrete.
They will surface the tennis court with a textured acrylic coating.
UsageThe material follows with: surface the road with asphalt.
Similarpave, coat, cover, finish
9
raise from belowverbtransitive
To bring something up to the surface from below, especially from underwater.
With the batteries running low, the commander had no choice but to surface the submarine in enemy waters.
The research team surfaced the robot submersible at dusk and hauled it aboard to download its data.
Similarraise, recover
Oppositesink, submerge
Note
The transitive twin of rising to the surface: what comes up becomes the object of the verb. In Patrick Valentine's The Sage of Aquarius (2007), a character surfaced the submarine, where otherwise the boat itself would be said to surface. The construction suits salvage and diving, where people surface a cargo, an anchor or a wreck. Someone acts on the object rather than the object rising on its own.
Checked 5 Nov 2026 · 2 facts
Patrick Valentine wrote The Sage of Aquarius, published in 2007. en.wiktionary.org
A character in the novel surfaces the submarine. en.wiktionary.org
10
verb
To extract minerals by working a mine at or near ground level rather than deep below.
11
noun
The plausible sentence or image a cryptic clue presents when read literally, ignoring the hidden wordplay.

Practice

Can you tell the meanings of surface apart? Answer 3 quick questions from this page, or write your own sentence and AI will check it.

Origin

Borrowed from French "surface." It is a doublet of "superficies."

Checked 5 Nov 2026 · 2 facts

English surface was borrowed from French surface, specifically Middle French. en.wiktionary.org
Surface is a doublet of superficies. en.wiktionary.org