firstborn

adjective

first·​born ˈfərs(t)-ˈbȯrn 

: first brought forth : eldest

firstborn noun

Examples of firstborn in a Sentence

Recent Examples on the Web

Envy drove Cain, the firstborn son of Adam and Eve, to kill Abel—the Bible’s first murder. — Inkoo Kang, New Yorker, 1 Oct. 2026

His steady hand has been shaken by the tragic death of his firstborn daughter. — Rosy Cordero, Deadline, 23 Sep. 2026

With that said, Woody gushed about his firstborn in a 2008 interview with Esquire. — Giovana Gelhoren, InStyle, 23 Sep. 2026

After seven years of trying to conceive, Liauw and his wife were overjoyed to welcome their firstborn. — Laura Sharman, CNN Money, 9 Sep. 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