swamp

1 of 2

noun

ˈswämp 

ˈswȯmp

1

: a wetland often partially or intermittently covered with water

especially : one dominated by woody vegetation

2

: a tract of swamp

3

: a difficult or troublesome situation or subject

swamp adjective

swamp

2 of 2

verb

swamped; swamping; swamps

transitive verb

1

a

: to fill with or as if with water : inundate, submerge

b

: to overwhelm numerically or by an excess of something : flood

swamped with work

2

: to open by removing underbrush and debris

intransitive verb

: to become submerged

Synonyms of swamp

Noun

• marsh
• wetland

Verb

• flood
• engulf
• overwhelm
• drown

Examples of swamp in a Sentence

Noun

Alligators live in the lowland swamps.

be careful in the swamp, because alligators sometimes lurk there

Verb

The sea level rose and swamped the coastal villages.

The boat sank after it was swamped by waves.

Recent Examples on the Web

Noun

That’s the headwaters of the swamp. —ABC News, 13 Apr. 2026

It should have been called swamp or something like that…trench. —Christine Terrisse, Los Angeles Times, 11 Apr. 2026

Verb

To be of much use to radio astronomers, any spaceborne observatory would need to be exquisitely sensitive—so sensitive, in fact, that its observations would be inevitably swamped by telecommunications emanating from Earth. —Joseph Howlett, Scientific American, 8 Apr. 2026

Eclipses allow scientists to study the sun's wispy outer atmosphere, known as the corona, which is usually swamped by our star's immense brightness. —Mike Wall, Space.com, 7 Apr. 2026

Word History

Etymology

Noun

perhaps alteration of Middle English sompe, from Middle Dutch somp morass; akin to Middle High German sumpf marsh, Greek somphos spongy

First Known Use

Noun

1624, in the meaning defined at sense 1

Verb

1784, in the meaning defined at transitive sense 1a

Phrases Containing swamp

• swamp buggy

Rhymes for swamp

• comp
• pomp
• pompe
• romp
• stomp

Kids Definition

swamp

1 of 2 noun

ˈswämp 

ˈswȯmp

: wet spongy land often partly covered with water

swamp

2 of 2 verb

1

: to fill or become filled with or as if with water

2

: overwhelm sense 2

was swamped with work