a form of the possessive case of plural they used as a predicate adjective, after a noun or without a noun: It is theirs.Oh, you know Walt and Liz—are you a friend of theirs?
a form of the possessive case of singular they used as a predicate adjective, after a noun or without a noun:
(used to refer to a generic or unspecified person previously mentioned, about to be mentioned, or present in the immediate context): I have my book—does everyone else have theirs?
(used to refer to a specific or known person previously mentioned, about to be mentioned, or present in the immediate context): The child couldn’t say whether or not the coat was theirs.
(used to refer to a nonbinary or gender-nonconforming person previously mentioned, about to be mentioned, or present in the immediate context): I've already gotten my coffee, but Morgan is still waiting to get theirs.
that which belongs to them: The Joneses don't usually flaunt their money, but theirs is the largest house on the block.
Compare their.
Origin of theirs
First recorded in 1150–1200; Middle English theires, thair(e)s, theres; see origin at their, -s1
usage note for theirs
See they.
WORDS THAT MAY BE CONFUSED WITH theirs
theirs , there's
Words nearby theirs
Inspector-General, The, in thing, the, Invisible Man, The, their, theirn, theirs, theirself, theism, theist, Jungle, The, Jungle Books, The
And will this become four, if Cole and Helen have theirs added too?
What On Earth Is ‘The Affair’ About? Season One’s Baffling Finale|Tim Teeman|December 22, 2014|DAILY BEAST
(Genesis 9:25) You disclaim these voices from the past, but to LGBT people, your voice sounds a lot like theirs.
Do LGBTs Owe Christians an Olive Branch? Try The Other Way Around|Jay Michaelson|December 14, 2014|DAILY BEAST
Theirs is one of the most star-crossed bromances of our time.
James Franco and Seth Rogen Get ‘Naked and Afraid’… And It’s Hilarious|Marlow Stern|December 8, 2014|DAILY BEAST
The voice of Eric Garner, outside his corner store, not theirs.
The Day I Used Eric Garner’s Voice|Joshua DuBois|December 5, 2014|DAILY BEAST
Mark Reay knows his predicament is very different from theirs.
This Fashion World Darling Is Homeless|Erica Wagner|December 2, 2014|DAILY BEAST
But this error of theirs should be laid at the door of the rabbins from whom they received it.
Commentary on Genesis, Vol. II|Martin Luther
No love was ever more innocent or purer than theirs; but none was ever more enthusiastic or more entrancing in thought.
A Daughter of Eve|Honore de Balzac
At night, when the hammocks were piped down, the three went to theirs in the forepart of the ship.
From Powder Monkey to Admiral|W.H.G. Kingston
Theirs was a common sorrow and a common hope, as far as Samuel was concerned.
Frank Oldfield|T.P. Wilson
The surrounding farmers did not care to interfere; it was no business of theirs.
The Toilers of the Field|Richard Jefferies
British Dictionary definitions for theirs
theirs
/ (ðɛəz) /
pronoun
something or someone belonging to or associated in some way with themtheirs is difficult
not standardsomething or someone belonging to or associated in some way with an indefinite antecedent such as one, whoever, or anybodyeveryone thinks theirs is best