theirs

The word 'theirs' is a possessive pronoun in English. It signifies that something belongs to more than one person, or to a group. Unlike possessive determiners (like 'their'), which must be followed by a noun (e.g., 'their car'), 'theirs' stands alone and replaces the noun phrase entirely. For example, instead of saying 'That car is their car,' you would say 'That car is theirs.' This makes sentences more concise and avoids repetition.

The primary function of 'theirs' is to indicate possession by a group. It is used when the owner(s) have already been mentioned or are understood from the context. It can be used at the end of a sentence or after a linking verb like 'is,' 'are,' 'was,' or 'were.' It is never followed by a noun. For instance, 'The blue jackets are theirs.' Here, 'theirs' refers to the jackets belonging to a specific group of people.

'Theirs' is frequently encountered in everyday conversation and writing. You'll hear it when people are discussing belongings, responsibilities, or anything that can be possessed. For example, in a discussion about pets, one might say, 'Whose dog is this?' and the answer could be, 'It's theirs.' It's also common in comparisons, such as 'Our house is smaller than theirs.' In educational settings, it's used to distinguish ownership of items or ideas.

The most common point of confusion is between 'their,' 'there,' and 'they're.' 'Their' is a possessive determiner used before a noun (e.g., 'their house'). 'There' indicates a place or is used to start a sentence (e.g., 'Put it over there,' or 'There is a book'). 'They're' is a contraction of 'they are' (e.g., 'They're happy'). 'Theirs' is the possessive pronoun that stands alone, signifying ownership by 'them'.