swarm

1 of 3

noun

ˈswȯrm 

1

a

: a great number of honeybees emigrating together from a hive in company with a queen to start a new colony elsewhere

b

: a colony of honeybees settled in a hive

2

a

: a large number of animate or inanimate things massed together and usually in motion : throng

swarms of sightseers

a swarm of locusts

a swarm of meteors

b

: a number of similar geologic features or phenomena close together in space or time

a swarm of dikes

an earthquake swarm

swarm

2 of 3

verb (1)

swarmed; swarming; swarms

intransitive verb

1

: to form and depart from a hive in a swarm

2

a

: to move or assemble in a crowd : throng

b

: to hover about in the manner of a bee in a swarm

3

: to contain a swarm : teem

swarming with bugs

transitive verb

1

: to fill with a swarm

2

: to beset or surround in a swarm

players swarming the quarterback

swarmer noun

swarm

3 of 3

verb (2)

swarmed; swarming; swarms

intransitive verb

: to climb with the hands and feet

specifically : shin

swarm up a pole

transitive verb

: to climb up : mount

Synonyms of swarm

Noun

• throng
• flock
• crowd
• horde

Verb (1)

• flock

Verb (2)

• climb
• scramble
• clamber

Examples of swarm in a Sentence

Noun

a swarm of tourists descends upon the island every summer

Verb (1)

meeting little resistance, the pirates swarmed the decks of the merchant ship

at this time of year that Mexican resort swarms with college students on spring break

Verb (2)

one of the physical challenges had competitors swarming over a pile of logs

Recent Examples on the Web

Noun

The government has a longstanding program to breed sterile male flies and drop swarms of them from planes to mate with wild females, causing the flies to die out. — Susan Montoya Bryan, Los Angeles Times, 27 Oct. 2026

In September, Anthropic CEO Dario Amodei warned that within six to 12 months, AI could have the capacity to lead a swarm of agents that could take control of the internet. — Mary Cunningham, CBS News, 27 Oct. 2026

Verb

For the second of two F--- Cancer gigs, Reynoso has racked up a gloriously absurd 13 local bands on one madcap, rapid-fire club bill, where each will swarm the stage rig to plug in and play 10-minute sets before giving way to the next act. — Aaron Davis, Sacbee.com, 1 Nov. 2026

While fans will be doing their level best to dodge and flip past political spots on Saturday, NBC’s primetime coverage of Ohio State-USC promises to be swarming with last-ditch political messaging. — Anthony Crupi, Sportico.com, 30 Oct. 2026

Word History

Etymology

Noun

Middle English, from Old English swearm; akin to Old High German swaram swarm and probably to Latin susurrus hum

Verb (2)

origin unknown

First Known Use

Noun

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

Verb (1)

14th century, in the meaning defined at intransitive sense 1

Verb (2)

14th century, in the meaning defined at intransitive sense

Phrases Containing swarm

• swarm spore

Rhymes for swarm

• corm
• dorm
• form
• forme
• norm
• storm
• warm
• brainstorm
• conform
• deform
• firestorm
• hailstorm

Kids Definition

swarm

1 of 2 noun

ˈswȯ(ə)rm 

1

: a great number of honeybees leaving together from a hive with a queen to start a new colony elsewhere

also : a colony of honeybees settled in a hive

2

: a large number grouped together and usually in motion

swarms of sightseers

a swarm of meteors

swarm

2 of 2 verb

1

: to form and leave a hive in a swarm

2

: to move or gather in a swarm : throng

spectators swarmed into the stadium

3

: to contain or fill with a swarm