Onlyborn

adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The only child to be born to a parent or family.

    "One of the most extensive studies ever undertaken tracked more than three thousand high school students — half were onlyborns, half had one sibling — for a twenty-year period."

Adjective
  1. 1
    Born as the only child in a family, flock, or the like. not-comparable

    "An onlyborn parent who is level has plenty of good qualities: He tends to be self-reliant."

Synonyms

All synonyms
only childonly child

Example

More examples

"An onlyborn parent who is level has plenty of good qualities: He tends to be self-reliant."

Etymology

From only + born.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.