nuclear family

noun

Synonyms of nuclear familynext
: a family group that consists only of parents and children

Examples of nuclear family in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For many in Asia, vacations aren't just for a nuclear family, but for extended family and even large groups of friends. Sarah Whitten, CNBC, 4 Mar. 2026 However, the term dates back to the early- to mid-twentieth century, when the characteristics of a nuclear family were significantly different from today. Beth Ann Mayer, Parents, 3 Mar. 2026 In Hjorth’s recent books, these vexing others are not romantic partners but members of the narrator’s original nuclear family. Elaine Blair, Harpers Magazine, 24 Feb. 2026 Our little nuclear family had become a noisy bunch. Alice Gregory, Condé Nast Traveler, 11 Feb. 2026 See All Example Sentences for nuclear family

Word History

First Known Use

1924, in the meaning defined above

Time Traveler
The first known use of nuclear family was in 1924

Cite this Entry

“Nuclear family.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nuclear%20family. Accessed 11 Mar. 2026.

Kids Definition

nuclear family

noun
: a family group that consists only of father, mother, and children

Medical Definition

nuclear family

noun
: a family group that consists only of father, mother, and children see extended family

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