Theirs
//ðɛəz// pron, slang
pron, slang ·Moderate ·College level
Definitions
Pronoun
- 1 That or those belonging to them; the possessive case of they, used without a following noun.
"This luggage is theirs. These passports are also theirs."
- 2 Their house or home. informal
"Let's go over to theirs."
Example
More examples"Our views are in agreement with theirs as to the essential points."
Etymology
From Middle English theires, attested since the 1300s. Equivalent to their + -s (compare -'s); formed by analogy to his. Displaced theirn (from Middle English theiren, formed by analogy to mine, thine) in standard speech.
More for "theirs"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.