noun · verb · 14 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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General-American:/swɔɹm/
Received-Pronunciation:/swɔːm/
US:Recorded audio is listed in the source snapshot.
rhymes with -ɔː(ɹ)m
CMU ARPABET:S W AO1 R M
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A large number of insects, especially when in motion or (for bees) migrating to a new colony.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A mass of people, animals or things in motion or turmoil.
Definition source: English Wiktionary via Wiktextract
Examples
a swarm of meteorites
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
A group of nodes sharing the same torrent in a BitTorrent network.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
verb
Meaning 5
To move as a swarm.
Definition source: English Wiktionary via Wiktextract
Usage: intransitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: horde
Antonyms: none provided
6
verb
Meaning 6
To teem, or be overrun with insects, people, etc.
Definition source: English Wiktionary via Wiktextract
Usage: intransitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
7
verb
Meaning 7
To fill a place as a swarm.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
8
verb
Meaning 8
To overwhelm as by an opposing army.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
9
verb
Meaning 9
To climb by gripping with arms and legs alternately.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
10
verb
Meaning 10
To breed multitudes.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
11
noun
Meaning 11
a group of many things in the air or on the ground
Definition source: Princeton WordNet 3.0
Examples
a swarm of insects obscured the light
clouds of blossoms
it discharged a cloud of spores
Meaning relationships
Synonyms: cloud
Antonyms: none provided
Broader terms: group, grouping
Narrower terms: infestation, plague
12
noun
Meaning 12
a moving crowd
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: drove, horde
Antonyms: none provided
Broader terms: crowd
13
verb
Meaning 13
move in large numbers
Definition source: Princeton WordNet 3.0
Examples
people were pouring out of the theater
beggars pullulated in the plaza
Meaning relationships
Synonyms: pour, stream, teem, pullulate
Antonyms: none provided
Broader terms: crowd, crowd together
Narrower terms: spill over, spill out, pour out
14
verb
Meaning 14
be teeming, be abuzz
Definition source: Princeton WordNet 3.0
Examples
The garden was swarming with bees
The plaza is teeming with undercover policemen
her mind pullulated with worries
Meaning relationships
Synonyms: teem, pullulate
Antonyms: none provided
Broader terms: hum, buzz, seethe
Narrower terms: crawl
History
Etymology
From Middle English swarm, from Old English swearm (“swarm, multitude”), from Proto-West Germanic *swarm, from Proto-Germanic *swarmaz (“swarm, dizziness”), from Proto-Indo-European *swer- (“to buzz, hum”). Cognate with Saterland Frisian Swoorm (“swarm”), Dutch zwerm, German Schwarm, Danish sværm, Swedish svärm, Icelandic svarmur (“tumult, swarm”), Latin susurrus (“whispering, humming”), Lithuanian surma (“a pipe”), Russian свире́ль (svirélʹ, “a pipe, reed”). The verb is from Middle English swarmen, swermen, from Old English swirman (“to swarm”), from Proto-West Germanic *swarmijan, from Proto-Germanic *swarmijaną (“to swarm”), from the noun. Cognate with Scots swairm, swerm (“to swarm”), Dutch zwermen, German schwärmen, Danish sværme, Swedish svärma.
Across languages
Translations
194 source translations are retained for this English entry.
Afrikaans:
swerm
— large number of insects
Albanian:
shemë
— large number of insects
Albanian:
luzmë
— large number of insects
Arabic:
ثَوْل
(ṯawl)
— large number of insects
Armenian:
պարս
(pars)
— large number of insects
Asturian:
ensame
— large number of insects
Belarusian:
рой
(roj)
— large number of insects
Bulgarian:
рой
(roj)
— large number of insects
Bulgarian:
роя́к
(roják)
— large number of insects
Catalan:
eixam
— large number of insects
Chinese Mandarin:
群
(qún)
— large number of insects
Czech:
roj
— large number of insects
Old Czech:
roj
— large number of insects
Danish:
sværm
— large number of insects
Dutch:
zwerm
— large number of insects
Estonian:
parv
— large number of insects
Estonian:
pilv
— large number of insects
Finnish:
parvi
— large number of insects
Franco-Provençal:
èssem
— large number of insects
French:
essaim
— large number of insects
French:
grouillement
— large number of insects
Friulian:
scuam
— large number of insects
Galician:
enxame
— large number of insects
Georgian:
ნაყარი
(naq̇ari)
— large number of insects
German:
Schwarm
— large number of insects
Greek:
σμήνος
(smínos)
— large number of insects
Ancient Greek:
σμῆνος
(smênos)
— large number of insects
Ancient Greek:
ἑσμός
(hesmós)
— large number of insects
Hebrew:
נְחִיל
(neḥíl)
— large number of insects
Hungarian:
raj
— large number of insects
Hunsrik:
Schwaarem
— large number of insects
Ido:
esamo
— large number of insects
Irish:
saithe
— large number of insects
Irish:
scaoth
— large number of insects
Italian:
sciame
— large number of insects
Italian:
nugolo
— large number of insects
Japanese:
群れ
(mure)
— large number of insects
Japanese:
雲霞
(unka)
— large number of insects
Korean:
떼
(tte)
— large number of insects
Korean:
무리
(muri)
— large number of insects
Latin:
exāmen
— large number of insects
Latvian:
spiets
— large number of insects
Latvian:
pulciņš
— large number of insects
Lithuanian:
spiečius
— large number of insects
Lithuanian:
būrys
— large number of insects
Macedonian:
рој
(roj)
— large number of insects
Māori:
pōī
— large number of insects
Mpade:
mam
— large number of insects
Norwegian Bokmål:
sverm
— large number of insects
Norwegian Bokmål:
bisverm
— large number of insects
Norwegian Nynorsk:
sverm
— large number of insects
Norwegian Nynorsk:
bisverm
— large number of insects
Occitan:
eissam
— large number of insects
Old East Slavic:
рои
(roi)
— large number of insects
Iranian Persian:
اِزْدِحام
(ezdehâm)
— large number of insects
Plautdietsch:
Schwoarm
— large number of insects
Polish:
rój
— large number of insects
Polish:
chmara
— large number of insects
Portuguese:
enxame
— large number of insects
Portuguese:
nuvem
— large number of insects
Portuguese:
correição
— large number of insects
Romanian:
roi
— large number of insects
Russian:
рой
(roj)
— large number of insects
Sardinian:
schissura
— large number of insects
Scottish Gaelic:
sgaoth
— large number of insects
Serbo-Croatian:
ро̑ј
— large number of insects
Serbo-Croatian:
rȏj
— large number of insects
Sicilian:
sciamu
— large number of insects
Sicilian:
assamu
— large number of insects
Slovak:
roj
— large number of insects
Slovene:
roj
— large number of insects
Lower Sorbian:
roj
— large number of insects
Spanish:
enjambre
— large number of insects
Spanish:
nube
— large number of insects
Swahili:
jana
— large number of insects
Swedish:
svärm
— large number of insects
Turkish:
sürü
— large number of insects
Turkish:
oğul
— large number of insects
Ottoman Turkish:
اوغل
(oğul)
— large number of insects
Ukrainian:
рій
(rij)
— large number of insects
Uzbek:
uya
— large number of insects
Venetan:
same
— large number of insects
Venetan:
samo
— large number of insects
Volapük:
kümam
— large number of insects
Welsh:
haid
— large number of insects
Arabic:
اِزْدِحَام
(izdiḥām)
— a mass of people or animals in turmoil
Bulgarian:
ста́до
(stádo)
— a mass of people or animals in turmoil
Czech:
dav
— a mass of people or animals in turmoil
Czech:
hejno
— a mass of people or animals in turmoil
Czech:
houf
— a mass of people or animals in turmoil
Czech:
zástup
— a mass of people or animals in turmoil
Danish:
sværm
— a mass of people or animals in turmoil
Dutch:
menigte
— a mass of people or animals in turmoil
Dutch:
massa
— a mass of people or animals in turmoil
Finnish:
lauma
— a mass of people or animals in turmoil
French:
nuée
— a mass of people or animals in turmoil
French:
essaim
— a mass of people or animals in turmoil
Galician:
liorna
— a mass of people or animals in turmoil
Galician:
barafunda
— a mass of people or animals in turmoil
German:
Schwarm
— a mass of people or animals in turmoil
Greek:
στίφος
(stífos)
— a mass of people or animals in turmoil
Greek:
εσμός
(esmós)
— a mass of people or animals in turmoil
Greek:
όχλος
(óchlos)
— a mass of people or animals in turmoil
Hungarian:
horda
— a mass of people or animals in turmoil
Hungarian:
sokaság
— a mass of people or animals in turmoil
Japanese:
群衆
(gunshū)
— a mass of people or animals in turmoil
Lithuanian:
spiečius
— a mass of people or animals in turmoil
Iranian Persian:
اِزْدِحام
(ezdehâm)
— a mass of people or animals in turmoil
Polish:
mrowie
— a mass of people or animals in turmoil
Portuguese:
multidão
— a mass of people or animals in turmoil
Portuguese:
enxame
— a mass of people or animals in turmoil
Portuguese:
turba
— a mass of people or animals in turmoil
Portuguese:
turbamulta
— a mass of people or animals in turmoil
Portuguese:
turbilhão
— a mass of people or animals in turmoil
Portuguese:
tropel
— a mass of people or animals in turmoil
Portuguese:
roda-viva
— a mass of people or animals in turmoil
Portuguese:
barafunda
— a mass of people or animals in turmoil
Russian:
толпа́
(tolpá)
— a mass of people or animals in turmoil
Russian:
ста́я
(stája)
— a mass of people or animals in turmoil
Scottish Gaelic:
sgaoth
— a mass of people or animals in turmoil
Scottish Gaelic:
sluagh
— a mass of people or animals in turmoil
Spanish:
multitud
— a mass of people or animals in turmoil
Spanish:
muchedumbre
— a mass of people or animals in turmoil
Spanish:
masa
— a mass of people or animals in turmoil
Spanish:
aglomeración
— a mass of people or animals in turmoil
Spanish:
barahúnda
— a mass of people or animals in turmoil
Swahili:
jana
— a mass of people or animals in turmoil
Swedish:
myller
— a mass of people or animals in turmoil
Swedish:
vimmel
— a mass of people or animals in turmoil
Tamil:
திரள்
(tiraḷ)
— a mass of people or animals in turmoil
Ottoman Turkish:
قالابالق
(kalabalık)
— a mass of people or animals in turmoil
Ottoman Turkish:
كومه
(küme)
— a mass of people or animals in turmoil
Ukrainian:
на́товп
(nátovp)
— a mass of people or animals in turmoil
Ukrainian:
юрба́
(jurbá)
— a mass of people or animals in turmoil
Armenian:
վխտալ
(vxtal)
— to move as a swarm
Catalan:
eixamenar-se
— to move as a swarm
Czech:
hemžit se
— to move as a swarm
Czech:
rojit se
— to move as a swarm
Czech:
hrnout se
— to move as a swarm
Finnish:
vyöryä
— to move as a swarm
French:
essaimer
— to move as a swarm
Hungarian:
rajzik
— to move as a swarm
Italian:
pullulare
— to move as a swarm
Italian:
sciamare
— to move as a swarm
Latin:
exāminō
— to move as a swarm
Eastern Mari:
авалаш
(avalaš)
— to move as a swarm
Occitan:
essaimar
— to move as a swarm
Portuguese:
enxamear
— to move as a swarm
Russian:
кишеть
(kišetʹ)
— to move as a swarm
Russian:
роиться
(roitʹsja)
— to move as a swarm
Slovene:
rojiti
— to move as a swarm
Spanish:
enjambrar
— to move as a swarm
Walloon:
samer
— to move as a swarm
Armenian:
վխտալ
(vxtal)
— to teem, or be overrun with insects
Bulgarian:
гъмжа
(gǎmža)
— to teem, or be overrun with insects
Catalan:
pul·lular
— to teem, or be overrun with insects
Chinese Mandarin:
翃
(hóng)
— to teem, or be overrun with insects
Chinese Mandarin:
蜂擁 /蜂拥
(fēngyōng)
— to teem, or be overrun with insects
Czech:
hemžit se
— to teem, or be overrun with insects
Czech:
být plný
— to teem, or be overrun with insects
Dutch:
zwermen
— to teem, or be overrun with insects
Hungarian:
hemzseg
— to teem, or be overrun with insects
Italian:
pullulare
— to teem, or be overrun with insects
Low German:
swarmen
— to teem, or be overrun with insects
Māori:
rearea
— to teem, or be overrun with insects
Māori:
ngahua
— to teem, or be overrun with insects
Māori:
ngahue
— to teem, or be overrun with insects
Māori:
pōhūhū
— to teem, or be overrun with insects
Māori:
tāmuimui
— to teem, or be overrun with insects
Māori:
pūrau
— to teem, or be overrun with insects
Eastern Mari:
авалаш
(avalaš)
— to teem, or be overrun with insects
Portuguese:
fervilhar
— to teem, or be overrun with insects
Portuguese:
pulular
— to teem, or be overrun with insects
Russian:
кише́ть
(kišétʹ)
— to teem, or be overrun with insects
Slovene:
rojiti
— to teem, or be overrun with insects
Spanish:
hormiguear
— to teem, or be overrun with insects
Spanish:
pulular
— to teem, or be overrun with insects
Ukrainian:
киші́ти
(kyšíty)
— to teem, or be overrun with insects
Armenian:
վխտալ
(vxtal)
— to fill a place as a swarm
Finnish:
vyöryä sisään
— to fill a place as a swarm
Hungarian:
elözönöl
— to fill a place as a swarm
Māori:
ngahua
— to fill a place as a swarm
Māori:
ngahue
— to fill a place as a swarm
Māori:
rearea
— to fill a place as a swarm
Eastern Mari:
авалаш
(avalaš)
— to fill a place as a swarm
Portuguese:
infestar
— to fill a place as a swarm
Russian:
кишеть
(kišetʹ)
— to fill a place as a swarm
Spanish:
atestar
— to fill a place as a swarm
Spanish:
infestar
— to fill a place as a swarm
Finnish:
parveilla
— to overwhelm
Czech:
šplhat
— to climb by gripping with arms and legs
Finnish:
kiivetä nelinkontin
— to climb by gripping with arms and legs
Hungarian:
mászik
— to climb by gripping with arms and legs
Russian:
кара́бкаться
(karábkatʹsja)
— to climb by gripping with arms and legs