determiner

their

their

They forgot their keys.

They forgot their keys.

Someone left their umbrella.

Someone left their umbrella.

((their)) ((noun)) belonging to them This is their house.

Homophones: there, they're

From Old Norse *þeirra*, genitive of *þeir* ('they'), which replaced the native Old English *hiera*.

To remember the spelling: 'their' has 'heir' in it, and an heir inherits things (possession). 'There' points to a place, like 'here'. 'They're' is short for 'they are'.

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