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Synonyms

first language

British  

noun

  1. a person's native language

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It’s a really fast-moving show, and if English is not your first language, like for my parents, then it’s quite hard to follow along.

From The Wall Street Journal • Apr. 28, 2026

She doesn’t feel comfortable speaking Spanish because she doesn’t know how to speak it anymore, even though it was her first language.

From Los Angeles Times • Apr. 2, 2026

Some were less comfortable with the possibility of false positives, since there are often autistic people, or users whose first language isn’t English, whose writing styles are stigmatized as A.I.-like.

From Slate • Apr. 1, 2026

The viewer snaps back to reality and remembers that, like Foster, Lilian is American, and her first language is English.

From Salon • Jan. 18, 2026

No, he told the judge, English wasn’t his first language; that would be Nahuatl, the Mexican Indian tongue.

From "Newjack: Guarding Sing Sing" by Ted Conover