Indefinite articles signal that you are talking about something unspecific, and they agree in gender and number with the noun they modify.
Masculine
The two main masculine indefinite articles are un for singular and des for plural.
Examples
Notes
J'ai(a) chien dans le jardin.
I have a dog in the garden.
Feminine
The two main feminine indefinite articles are une for singular and des for plural.
Examples
Notes
Special Cases
Some nouns change meaning depending on whether you use an article, and expressions can omit the article entirely.
Examples
Expressions
Summary
Indefinite articles mark unspecific nouns and must agree in gender and number — use un/une for singular and des for plural.
Last updated: Fri Oct 24, 2025