firstborn

adjective

first·​born ˈfərs(t)-ˈbȯrn 

: first brought forth : eldest

firstborn noun

Examples of firstborn in a Sentence

Recent Examples on the Web

After her coffin was lowered into the grave and coral stones were arranged on top, her firstborn son, aged 5, was led to it and wailed. — ABC News, 26 Aug. 2026

During their March 2021 sit-down with Oprah Winfrey, Meghan made allegations about concerns within the royal family over the skin color of her firstborn son, Archie. — Stephanie Giang-Paunon, FOXNews.com, 20 Aug. 2026

Liechtenstein’s royal house has ended centuries of male-only succession, moving to absolute primogeniture so future firstborn daughters can inherit the Alpine principality’s throne. — Geir Moulson, Los Angeles Times, 15 Aug. 2026

The firstborn son of Jon Voight and the late actress Marcheline Bertrand, Haven shares Jolie’s passion for film, human rights and family. — Jessica Sager, PEOPLE, 7 Aug. 2026

Word History

First Known Use

14th century, in the meaning defined above

Rhymes for firstborn

• adorn
• airborne
• blackthorn
• broomcorn
• buckhorn
• buckthorn
• careworn
• foodborne
• forborne
• forewarn
• forlorn
• forsworn

Kids Definition

firstborn

adjective

first·​born ˈfərs(t)-ˈbȯ(ə)rn 

: born first : eldest

firstborn noun