singular or plural in construction
: that which belongs to them
used without a following noun as a pronoun equivalent in meaning to the adjective their
: his or hers : his, hers
used with an indefinite third person singular antecedent
I will do my part if everybody else will do theirs

Word History

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of theirs was in the 14th century

Dictionary Entries Near theirs

Cite this Entry

“Theirs.” Dictionary, Merriam-Webster, Accessed 17 Apr. 2024.

Kids Definition


ˈt͟he(ə)rz How to pronounce theirs (audio)
: their one : their ones
the house is theirs
these books are theirs
theirs are on the table

More from Merriam-Webster on theirs

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