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¹group

noun, often attributive \ˈgrüp\

: a number of people or things that are together or in the same place

: a number of people who are connected by some shared activity, interest, or quality

: a number of things that are related in some way

Full Definition of GROUP

: two or more figures forming a complete unit in a composition

a : a number of individuals assembled together or having some unifying relationship

b : an assemblage of objects regarded as a unit

c (1) : a military unit consisting of a headquarters and attached battalions (2) : a unit of the United States Air Force higher than a squadron and lower than a wing

a : an assemblage of related organisms —often used to avoid taxonomic connotations when the kind or degree of relationship is not clearly defined

b (1) : two or more atoms joined together or sometimes a single atom forming part of a molecule; especially : functional group <a methyl group> (2) : an assemblage of elements forming one of the vertical columns of the periodic table

c : a stratigraphic division comprising rocks deposited during an era

: a mathematical set that is closed under a binary associative operation, contains an identity element, and has an inverse for every element

See group defined for English-language learners

See group defined for kids

Origin of GROUP

French groupe, from Italian gruppo, by-form of groppo knot, tangle, of Germanic origin; akin to Old High German kropf craw — more at crop

First Known Use: 1686

Related to GROUP

Synonyms: array, assemblage, band, bank, batch, battery, block, bunch, clot, clump, cluster, clutch, collection, constellation, grouping, huddle, knot, lot, muster, package, parcel, passel, set, suite, the whole kit and caboodle, the whole kit and caboodle

Rhymes with GROUP

bloop, coop, croup, droop, drupe, dupe, goop, hoop, loop, loupe, poop, roup, scoop, sloop, snoop, soup, stoop, stoup, stupe, swoop, troop, troupe, whoop

²group

verb

: to put (people or things) in a group

: to form a group

Full Definition of GROUP

transitive verb

: to combine in a group

: to assign to a group : classify

intransitive verb

: to form a group

: to belong to a group

: to make groups of closely spaced hits on a target <the gun grouped beautifully — R. C. Ruark>

— group·able \ˈgrü-pə-bəl\ adjective

See group defined for English-language learners

First Known Use of GROUP

1718

Related to GROUP

Synonyms: assort, break down, categorize, class, codify, compartment, compartmentalize, digest, distinguish, distribute, grade, classify, peg, place, range, rank, relegate, separate, sort, type

Antonyms: dispel, disperse, dissipate, scatter

GROUPS Defined for Kids

¹group

noun \ˈgrüp\

Definition of GROUP for Kids

: a number of persons or things considered as a unit

: a number of persons or things that are considered related in some way <an age group> <a food group>

: a small band <a rock group>

²group

verb

groupedgroup·ing

Definition of GROUP for Kids

: to arrange in, put into, or form a unit or group

Medical Dictionary

group

noun , often attrib \ˈgrüp\

Medical Definition of GROUP

: a number of individuals assembled together or having some unifying relationship

a : an assemblage of related organisms—often used to avoid taxonomic connotations when the kind or degree of relationship is not clearly defined b (1) : an assemblage of atoms forming part of a molecule; especially : functional group (2) : an assemblage of elements forming one of the vertical columns of the periodic table