determiner

their

their

This is their house.

This is their house.

The students lost their books.

The students lost their books.

Someone left their umbrella here.

Someone left their umbrella here.

((+ noun)) belonging to or associated with them This is their house.

Synonyms: -; Antonyms: -; Compare: his, her, its, our, your

From Old Norse 'þeirra', genitive of 'þeir' (they).

'Their' is a determiner and always comes before a noun. Remember the pattern 'their + noun', like 'their idea'.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.