Definition of indefinite article
- In "I gave a book to the boy" the word "a" is an indefinite article and the word "the" is a definite article.
: not definite: such as
: typically designating an unidentified, generic, or unfamiliar person or thing
: not precise : vague
What made you want to look up indefinite article? Please tell us where you read or heard it (including the quote, if possible).