What does family mean?
Family refers to a fundamental social unit: a group of people connected by birth, marriage, adoption, or long-standing bonds who typically share a household or close emotional ties. Its core sense covers parents and children living together, but it extends outward to grandparents, cousins, and other relatives — the extended family — and even to chosen groups who function as kin. Beyond human relationships, the word applies by analogy to any set of related entities, from a family of languages like the Indo-European, to a biological family such as the cat family Felidae, to product families in commerce. Emotionally charged and deeply positive in everyday use, 'family' evokes belonging, loyalty, and heritage, though its meaning has broadened over time to reflect modern arrangements such as single-parent and blended households. Few words are as central to how people describe identity and connection.
A group consisting of parents and children living together in a household, or all the descendants of a common ancestor.
"Every summer the whole family rents a cottage by the lake."
In census and legal contexts, 'family' may be defined narrowly as a household unit; in ordinary speech it is used flexibly.
Any group of related items sharing a common origin or characteristic, as in a language family, plant family, or family of products.
"Linguists classify Hindi and English within the same Indo-European family."
Standard plural: change -y to -ies. Note that 'families' can mean multiple distinct units, while 'a big family' describes one unit with many members.
"Several families moved into the new housing development this spring."
The word 'family' comes from Latin 'familia', which originally meant the entire household — including the slaves.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of family
Family derives from the Latin 'familia', which denoted the entire household under one head — including servants and enslaved people — and ultimately from 'famulus', meaning servant. The word entered English via Old French around the late Middle Ages, initially carrying that broader household sense before narrowing to emphasize blood relations. Related derivatives include 'familiar' and 'familial', all tracing back to the same Roman root.
Related word forms
How family is actually used
'Family' carries strong positive connotations of warmth and belonging in most contexts. In legal and administrative usage it can denote a narrower household unit. The plural 'families' is standard; the word is also widely used attributively ('family business', 'family values').
Easily confused with family
'Familiar' is an adjective meaning well-known or easily recognized, whereas 'family' is a noun referring to a group of related people; the two share a Latin root but differ in meaning and grammatical role.