swim

1 of 3

verb

ˈswim 

swam ˈswam  ; swum ˈswəm  ; swimming

intransitive verb

1

a

: to propel oneself in water by natural means (such as movements of the limbs, fins, or tail)

b

: to play in the water (as at a beach or swimming pool)

2

: to move with a motion like that of swimming : glide

a cloud swam slowly across the moon

3

a

: to float on a liquid : not sink

b

: to surmount difficulties : not go under

Sink or swim, live or die, survive or perish …

—Daniel Webster

4

: to become immersed in or flooded with or as if with a liquid

potatoes swimming in gravy

5

: to have a floating or reeling appearance or sensation

transitive verb

1

a

: to cross by propelling oneself through water

swim a stream

b

: to execute in swimming

2

: to cause to swim or float

swim

2 of 3

noun

1

: a smooth gliding motion

2

: an act or period of swimming

3

: a temporary dizziness or unconsciousness

4

a

: an area frequented by fish

b

: the main current of activity

in the swim

swim

3 of 3

adjective

: of, relating to, or used in or for swimming

Synonyms of swim

Verb

• spin

Noun

• trance
• daze
• faint
• syncope

Examples of swim in a Sentence

Verb

He's teaching the children to swim.

She swam across the pool.

He swam the English Channel.

The racers must swim the backstroke.

We watched the fish swimming in the river.

Ducks swam in the pond.

I felt weak and my head was swimming.

The room swam before my eyes.

Noun

the merest glimpse of blood sends him into a swim

Recent Examples on the Web

Verb

Owen also swam on the winning 200 medley and 400 free relay teams. —Todd Holcomb, AJC.com, 6 Feb. 2026

Read a book and sip tea in front of the central fireplace, swim between the indoor and outdoor sections of the glimmering pool, and soak your aching quads in the hot tubs under the evergreens and aspens while listening to the peaceful babble of Gore Creek. —Sarah Kuta, Condé Nast Traveler, 6 Feb. 2026

Noun

Featuring what Royal Caribbean calls the world’s largest swim-up bar, this area doesn’t have a beach but does have a DJ and an infinity pool. —Patrick Connolly, The Orlando Sentinel, 7 Feb. 2026

Leo, 70, religiously plays tennis and swims, and is a longtime fan of the Chicago White Sox. —Lucia I Suarez Sang, CBS News, 6 Feb. 2026

Adjective

At least five people were rushed to the hospital after chemicals were mixed and created a dangerous gas at a swim school on Thursday afternoon in northwest suburban Park Ridge. —Todd Feurer, CBS News, 30 Jan. 2026

Some swim tracks cross-cut walking tracks, and most swim trackways are oriented toward the SSE. —New Atlas, 3 Dec. 2025

Word History

Etymology

Verb

Middle English swimmen, from Old English swimman; akin to Old High German swimman to swim

First Known Use

Verb

before the 12th century, in the meaning defined at intransitive sense 1a

Noun

1599, in the meaning defined at sense 1

Adjective

1924, in the meaning defined above

Phrases Containing swim

• go/swim with/against the tide
• in/into the swim (of things)
• sink or swim
• swim bladder
• swim fin
• swim meet

Rhymes for swim

• brim
• clim
• dim
• grim
• gym
• him
• hymn
• im
• limb
• mim
• prim
• rim

Kids Definition

swim

1 of 2 verb

ˈswim 

swam ˈswam  ; swum ˈswəm  ; swimming

1

: to move through water by moving arms, legs, fins, or tail

2

: to float on or in or be covered with or as if with a liquid

3

: to feel dizzy

my head swam in the stuffy room

4

: to cross by swimming

swim a stream

swimmer noun

swim

2 of 2 noun

1

: an act or period of swimming

2

: the main current of activity

in the swim of things