A1determinerhigh_frequency_chunk

Their

UK /["/ðeə(r)/"]/US /["/ðer/"]/

Definition

of or belonging to people, animals or things that have already been mentioned or are easily identified

In simple words: belonging to them

Examples

  • Their parties are always fun.
  • Which is their house?
  • If anyone calls, ask for their number so I can call them back.

Usage notes

Use 'their' to show possession by a group of people. Avoid using 'their' for singular nouns, except in non-binary contexts. It's common in both spoken and written English.

Grammar pattern

possessive determiner

Memory hint

Think of 'their' as belonging 'to here' — where 'here' is them.

Collocations

  • their belongings
  • their house
  • their opinions
  • their responsibilities
  • their choice

Synonyms

  • their own
  • belonging to them
  • of them

Antonyms

  • our
  • my
  • his
  • her

Common mistakes

  • 'There' used instead of 'their'.
  • Confusing 'their' with 'they're' (they are).
  • Using 'their' with singular nouns that aren’t non-binary.