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Word of the Day Tuesday, June 9, 2026

firstborn

/ˈfɜːrstˌbɔrn/ noun · British & US
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What does firstborn mean?

noun

The eldest child in a family, especially a son or daughter who is the first to be born. The first child to be born in a family.

Example

"As the firstborn, she felt a sense of responsibility to set a good example for her younger siblings."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for firstborn

Antonyms of firstborn

Rhymes with firstborn

Etymologically related