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family

[ fam-uh-lee, fam-lee ]

/ ˈfæm ə li, ˈfæm li /

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See synonyms for: family / families on Thesaurus.com

noun, plural fam·i·lies.

a basic social unit consisting of parents and their children, considered as a group, whether dwelling together or not: the traditional family.
a social unit consisting of one or more adults together with the children they care for: a single-parent family.

the children of one person or one couple collectively: We want a large family.

the spouse and children of one person: I'm taking the family on vacation next week.

any group of people closely related by blood or marriage, as parents, children, uncles, aunts, and cousins: to marry into a socially prominent family.

all those people considered as descendants of a common progenitor: the Tudor family of England.

Chiefly British. approved lineage, especially noble, titled, famous, or wealthy ancestry: young men of family.

a group of people who form a household under one head, including parents, children, servants, etc.

the staff, or body of assistants, of an official: the presidential family.

a group of people or things that are related by common characteristics, features, or properties: the family of romantic poets; the halogen family of elements.

a group of people who are generally not blood relations but who share common attitudes, interests, or goals and, frequently, live together: Many hippie communes of the sixties regarded themselves as families. I’m not in contact with my relatives, so my friends are my family.

a group of people who are considered to be united in a common occupation or enterprise: Our volunteers are an important part of our hospital family.

an animal or animals with their young: There goes a duck family crossing the road.

a group of products or product models made by the same manufacturer or producer: Chevrolet's family of cars.

Biology. the usual major subdivision of an order or suborder in the classification of plants, animals, fungi, etc., usually consisting of several genera.

Slang. a unit of an organized crime syndicate, especially the Mafia or Cosa Nostra, operating in one area under a local leader.

Linguistics. the largest category into which languages related by common origin can be classified with certainty: Indo-European, Sino-Tibetan, and Austronesian are the most widely spoken families of languages.Compare stock (def. 12), subfamily (def. 2).

Mathematics.

a given class of solutions of the same basic equation, differing from one another only by the different values assigned to the constants in the equation.
a class of functions or the like defined by an expression containing a parameter.
a set.

adjective

of, relating to, or characteristic of a family: a family trait.

belonging to or used by a family: a family automobile; a family room.

suitable or appropriate for adults and children: a family amusement park.

not containing obscene language: The students made a game of looking up swearwords during library time, so the librarian is investing in a new set of family dictionaries.

VIDEO FOR FAMILY

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The Silent Generation is the generation born between 1925–1945. Here are the words they think describe their generation.

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QUIZ YOURSELF ON "IS" VS. "ARE"

"Is" it time for a new quiz? "Are" you ready? Then prove your excellent skills on using "is" vs. "are."

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Idioms about family

in a / the family way, pregnant¹ (def. 1).

Origin of family

First recorded in 1350–1400; Middle English familie, from Latin familia “a household, the slaves of a household, domestics” equivalent to famul(us) “attendant, servant, slave” + -ia noun suffix; see -y³

grammar notes for family

See collective noun.

OTHER WORDS FROM family

an·ti·fam·i·ly, adjectivein·ter·fam·i·ly, adjective

Words nearby family

familiarize, families, familism, Familist, famille, family, family allowance, Family and Medical Leave Act of 1993, family balancing, family Bible, family circle

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use family in a sentence

Odds are you've spent more time with your family this year than ever before, which is great.
Three Family-Friendly Adventures to Try This Fall|Outside Editors|September 17, 2020|Outside Online
In a statement, HHS said Caputo would be on leave for the next 60 days to “focus on his health and the well-being of his family.”
Trump contradicts CDC director on vaccine; Biden says Americans shouldn’t trust Trump|Colby Itkowitz, Felicia Sonmez, John Wagner|September 16, 2020|Washington Post
Conversely, Recon’s campers are designed with families and small groups in mind.
Can’t Afford a Sprinter? Get a Tiny Van Instead.|Emily Pennington|September 16, 2020|Outside Online
Coronavirus fears are also tied to how people plan to cast their ballots, with nearly 6 in 10 voters who are worried about a family member becoming infected saying they plan to vote early, compared with about 2 in 10 of those who are less worried.
Post-ABC Wisconsin poll shows Biden holding narrow edge over Trump|Dan Balz, Emily Guskin|September 16, 2020|Washington Post

Biden spoke at the top of a roundtable discussion in Tampa with veterans and military families.
Trump, in town hall, says he wouldn’t have done anything differently on pandemic|Colby Itkowitz, Josh Dawsey, Felicia Sonmez, John Wagner|September 16, 2020|Washington Post
Everywhere I go, ‘Hey Cartman, you must like Family Guy, right?’
Trolls and Martyrdom: Je Ne Suis Pas Charlie|Arthur Chu|January 9, 2015|DAILY BEAST
The third suspect, an 18-year-old named Hamyd Mourad, who turned himself in, is part of the same extended family.
France Mourns—and Hunts|Nico Hines, Christopher Dickey|January 8, 2015|DAILY BEAST
Saved from the public gallows, Weeks was virtually exiled from the city, and wound up in Mississippi, where he raised a family.
New York’s Most Tragic Ghost Loves Minimalist Swedish Fashion|Nina Strochlic|January 8, 2015|DAILY BEAST
A spokesman for Lewisham council said last year that it would be forced to act if the family returned to Britain.
Britain May Spy on Preschoolers Searching for Potential Jihadis|Nico Hines|January 7, 2015|DAILY BEAST
Three on-the-record stories from a family: a mother and her daughters who came from Phoenix.
I Tried to Warn You About Sleazy Billionaire Jeffrey Epstein in 2003|Vicky Ward|January 7, 2015|DAILY BEAST
And that was that if he and his wife were to ever live together again and be happy, the family were to be kept out of it.
The Homesteader|Oscar Micheaux
“This house must have been the hotel of some distinguished family, Baron; it is nobly proportioned,” said David Arden.
Checkmate|Joseph Sheridan Le Fanu
What course was taken to supply that assembly when any noble family became extinct?
Gulliver's Travels|Jonathan Swift
The pig family did not know when Squinty would be taken away from them, and all they could do was to wait.
Squinty the Comical Pig|Richard Barnum
Mrs. Jolly Robin had often wished—when she was trying to feed a rapidly-growing family—that she could hunt forp.
The Tale of Grandfather Mole|Arthur Scott Bailey

British Dictionary definitions for family

family

/ (ˈfæmɪlɪ, ˈfæmlɪ) /

noun plural -lies

a primary social group consisting of parents and their offspring, the principal function of which is provision for its members
(as modifier)family quarrels; a family unit

one's wife or husband and one's children

one's children, as distinguished from one's husband or wife

a group of persons related by blood; a group descended from a common ancestorCompare extended family

all the persons living together in one household

any group of related things or beings, esp when scientifically categorized

biology any of the taxonomic groups into which an order is divided and which contains one or more genera. Felidae (cat family) and Canidae (dog family) are two families of the order Carnivora

ecology a group of organisms of the same species living together in a community

a group of historically related languages assumed to derive from one original language

mainly US an independent local group of the Mafia

maths a group of curves or surfaces whose equations differ from a given equation only in the values assigned to one or more constants in each curvea family of concentric circles

physics the isotopes, collectively, that comprise a radioactive series

in the family way informal pregnant

Word Origin for family

C15: from Latin familia a household, servants of the house, from famulus servant

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for family

family

[ făm′ə-lē, făm′lē ]

n.

A group of blood relatives, especially parents and their children.

A taxonomic category of related organisms ranking below an order and above a genus.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for family

family

[ făm′ə-lē ]

A group of organisms ranking above a genus and below an order. The names of families end in -ae, a plural ending in Latin. In the animal kingdom, family names end in -idae, as in Canidae (dogs and their kin), while those in the plant kingdom usually end in -aceae, as in Rosaceae (roses and their kin). See Table at taxonomy.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cultural definitions for family

family

In biology, the classification lower than an order and higher than a genus. Lions, tigers, cheetahs, and house cats belong to the same biological family. Human beings belong to the biological family of hominids. (See Linnean classification.)

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Other Idioms and Phrases with family

family

see in a family way; run in the blood (family).

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.