noun
firstborn
FURST-bawn
Firstborn (noun) means the first child born into a family. Example: “Their firstborn arrived two weeks early.”
noun
1
The first child born into a family.
"Their firstborn arrived two weeks early."
adj
1
Born first among siblings.
"As the firstborn son, he inherited the family farm."
How to use firstborn
Learner’s notesIn plain EnglishThe eldest child in a family.
Common pairings
firstborn child
firstborn son
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Word forms
- Plural
- firstborns
Fill the gap
Can you complete this real example?
Their _____ arrived two weeks early.
Etymology
From first and born.
Synonyms
View more →Antonyms
Related words
Frequently asked questions
What does “firstborn” mean?
The word “firstborn” means the first child born into a family. In plain terms, the eldest child in a family.
How do you pronounce “firstborn”?
“Firstborn” is pronounced FURST-bawn (/ˈfɜː(ɹ)stˌbɔː(ɹ)n/ in IPA).
How do you use “firstborn” in a sentence?
Here is “firstborn” used in a sentence: “Their firstborn arrived two weeks early.”
What is the opposite of “firstborn”?
The opposite of “firstborn” — its antonyms — is lastborn.
What part of speech is “firstborn”?
Depending on how it is used, “firstborn” can be a noun and an adjective.
How many meanings does “firstborn” have?
“Firstborn” has 2 distinct senses listed in this dictionary. The most common is: the first child born into a family.