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Italiano — Indefinite article

Italian has four indefinite article forms — un, uno, una, un' — chosen by the noun's gender and the sound that starts the next word: un ragazzo, uno studente, una casa, un'amica.

1

How it works

✓ Rule

For masculine nouns use un before most consonants and before vowels (un libro, un amico), but uno before s + consonant, z, ps, gn, x, y (uno studente, uno zaino). For feminine nouns use una before a consonant (una ragazza) and the elided un' before a vowel (un'amica).

2

Examples

The four forms and when to use each
Form When used Example
un masculine, before a consonant un libro, un cane
un masculine, before a vowel (no apostrophe) un amico, un uomo
uno masculine, before s+consonant, z, ps, gn, x, y uno studente, uno zaino
una feminine, before a consonant una casa, una ragazza
un' feminine, before a vowel (elision) un'amica, un'ora
3

Good to know

⚠ Note

The apostrophe marks elision only in the feminine: un'amica is feminine, while un amico (masculine) takes no apostrophe. So the presence of un' vs un before a vowel signals the gender.

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