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indefinite article

American  

noun

Grammar.
  1. an article, as English a, an, that denotes class membership of the noun it modifies without particularizing it.


indefinite article British  

noun

  1. grammar a determiner that expresses nonspecificity of reference, such as a, an, or some Compare definite article

"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

indefinite article Cultural  
  1. The word a or an introducing an unspecified noun or the name of a general category: “a dog,” “an apple,” “an orange.” An is used when the next word begins with a vowel or a silent (unpronounced) h, as in “an egg” or “an hour.”


Etymology

Origin of indefinite article

First recorded in 1720–30

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.

Ich bin Berliner is how most Berlin natives would express the sentiment, but the president was actually showing off a complex understanding of German when he added the indefinite article.

From Salon • Mar. 5, 2022

I thought a singular noun should always follow the singular indefinite article “a.”

From Washington Post • Jun. 4, 2020

Given that numpire and those other words were nouns, they often found themselves next to an indefinite article – a or an – or the first-person possessive pronoun, mine.

From The Guardian • Aug. 15, 2019

Plus, no one uses the indefinite article “a” in front of a language.

From Slate • Aug. 30, 2018

This is the major distinction between the indefinite article, a, and the definite article, the.6 When a character makes his first appearance on stage, he is introduced with a.

From "The Sense of Style" by Steven Pinker