\ˈt͟herz \

Definition of theirs 

1 : that which belongs to them used without a following noun as a pronoun equivalent in meaning to the adjective their

2 : his or hers : his, hers used with an indefinite third person singular antecedent I will do my part if everybody else will do theirs

First Known Use of theirs

14th century, in the meaning defined at sense 1

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of theirs

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

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More Definitions for theirs

theirs

pronoun
\ˈt͟herz \

Kids Definition of theirs

: that which belongs to them The red house is theirs.

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More from Merriam-Webster on theirs

Spanish Central: Translation of theirs

Nglish: Translation of theirs for Spanish Speakers

Britannica English: Translation of theirs for Arabic Speakers

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to reject or criticize sharply

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