noun · verb · 5 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
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
/ˈsʌbˌɡɹuːp/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:S AH1 B G R UW2 P
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A group within a larger group; a group whose members are some, but not all, of the members of a larger group.
Definition source: English Wiktionary via Wiktextract
Examples
1998, Robert A. Johnson, Prevalence of Substance Use Among Racial and Ethnic Subgroups in the United States, 1991-1993, Department of Health and Human Services, page B-11, Based on U.S. Bureau of the Census (1992c), other metropolitan areas that might be suitable for oversampling specific racial/ethnic subgroups include Miami (18% Cuban), New York City (7% Puerto Rican), Los Angeles (26% Mexican), and Honolulu (23% Japanese). Three techniques might be used to increase the yield of rare subgroup members within metropolitan areas where they are concentrated: 1) oversampling of areal segments containing high percentages of the subgroup, [...] .
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A subset H of a group G that is itself a group and has the same binary operation as G.
Definition source: English Wiktionary via Wiktextract
Topics: group-theory, mathematics, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
verb
Meaning 3
To divide or classify into subgroups
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
(mathematics) a subset (that is not empty) of a mathematical group
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: group, mathematical group
5
noun
Meaning 5
a distinct and often subordinate group within a group
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: group, grouping
Narrower terms: bench
History
Etymology
From sub- + group.
Across languages
Translations
48 source translations are retained for this English entry.
Bulgarian:
по́дгрупа
(pódgrupa)
— group within a larger group
Catalan:
subgrup
— group within a larger group
Chinese Mandarin:
子群
(zǐqún)
— group within a larger group
Chinese Mandarin:
亞群 /亚群
(yàqún)
— group within a larger group
Czech:
podskupina
— group within a larger group
Finnish:
aliryhmä
— group within a larger group
French:
sous-groupe
— group within a larger group
Galician:
subgrupo
— group within a larger group
German:
Untergruppe
— group within a larger group
Icelandic:
undirflokkur
— group within a larger group
Irish:
foghrúpa
— group within a larger group
Italian:
sottogruppo
— group within a larger group
Japanese:
部分群
(bubungun)
— group within a larger group
Japanese:
亜群
(agun)
— group within a larger group
Norwegian Bokmål:
undergruppe
— group within a larger group
Norwegian Nynorsk:
undergruppe
— group within a larger group
Persian:
زیرگروه
(zirgoruh)
— group within a larger group
Polish:
podgrupa
— group within a larger group
Portuguese:
subgrupo
— group within a larger group
Romanian:
subgrup
— group within a larger group
Russian:
подгру́ппа
(podgrúppa)
— group within a larger group
Serbo-Croatian:
podgrupa
— group within a larger group
Serbo-Croatian:
подгрупа
— group within a larger group
Spanish:
subgrupo
— group within a larger group
Swedish:
undergrupp
— group within a larger group
Turkish:
alt -grup
— group within a larger group
Turkish:
altöbek
— group within a larger group
Turkish:
alttakım
— group within a larger group
Catalan:
subgrup
— (group theory) group within a larger group
Chinese Mandarin:
子群
(zǐqún)
— (group theory) group within a larger group
Czech:
podgrupa
— (group theory) group within a larger group
Finnish:
aliryhmä
— (group theory) group within a larger group
French:
sous-groupe
— (group theory) group within a larger group
Galician:
subgrupo
— (group theory) group within a larger group
German:
Untergruppe
— (group theory) group within a larger group
Hungarian:
részcsoport
— (group theory) group within a larger group
Icelandic:
hlutgrúpa
— (group theory) group within a larger group
Irish:
foghrúpa
— (group theory) group within a larger group
Italian:
sottogruppo
— (group theory) group within a larger group
Polish:
podgrupa
— (group theory) group within a larger group
Portuguese:
subgrupo
— (group theory) group within a larger group
Romanian:
subgrup
— (group theory) group within a larger group
Russian:
подгру́ппа
(podgrúppa)
— (group theory) group within a larger group
Serbo-Croatian:
podgrupa
— (group theory) group within a larger group
Slovak:
podgrupa
— (group theory) group within a larger group
Spanish:
subgrupo
— (group theory) group within a larger group
Swedish:
delgrupp
— (group theory) group within a larger group
Turkish:
altküme
— (group theory) group within a larger group
