- a variation of native language.
first language
Britishnoun
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.
Mauricio Pochettino was an Argentine who spoke soccer as a first language, but he had great hair, dressed like a Malibu landscape architect and matched his team’s breezy American vibe.
From The Wall Street Journal ● Jul. 7, 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
Parents can answer questions about their child — such as in the National Survey of Children’s Health — but can be biased or misinterpret questions, especially if English isn’t their first language.
From Los Angeles Times ● Feb. 5, 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
I knew English wasn’t their first language and had real doubts about how much they were even following what I said, but when I finished, they erupted into vigorous applause.
From "Just Mercy" by Bryan Stevenson
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.