Their is not an adjective. Their is a determiner: It's their house. It's their car. It's their business.
We use theirs when the object is left out (instead of the noun you put the ending -s): Our house is number 25, and theirs is just opposite. (taken from Longman Dictionary)
Answer from darkbluecherry on Stack ExchangeLangeek
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The Pronoun "Theirs" in the English Grammar | LanGeek
2 days ago - Theirs is used to talk about possession and ownership. Here are some examples: ... If there is a blue mark on any plate, it is theirs. ... I broke a glass and I think it was theirs.
Langeek
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The Difference between "theirs" and "their" | LanGeek
1 week ago - The car parked outside is theirs.
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Possessive pronouns Their and Theirs - YouTube
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It's - mine, yours, his, hers, ours, theirs + more | Learn English ...
Is it that’s their’s or theirs?
The correct version is that’s theirs (without an apostrophe). · Theirs and their’s are often confused, but “their’s” is never correct. is a possessive pronoun and doesn’t take an apostrophe.
quillbot.com
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Is It Theirs or *Their’s? | Meaning, Spelling & Examples
Is it concern of theirs or their’s?
The correct version is concern of theirs (without an apostrophe). · Theirs and their’s are often confused, but “their’s” is never correct. is a possessive pronoun and doesn’t take an apostrophe. · Use QuillBot’s free Grammar Checker to check your spelling.
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Is It Theirs or *Their’s? | Meaning, Spelling & Examples
Is it try theirs or try their’s?
The correct version is try theirs (without an apostrophe). · Theirs and their’s are often confused, but “their’s” is never correct. is a possessive pronoun and doesn’t take an apostrophe.
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Is It Theirs or *Their’s? | Meaning, Spelling & Examples
Quillbot
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Is It Theirs or *Their’s? | Meaning, Spelling & Examples
June 28, 2024 - Examples: Their vs theirs in a sentenceLauren asked them for their opinion on the matter.
MLA Style Center
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Their, There, and They're: Learn the Difference | MLA Style Center
January 11, 2025 - [1]”). For example, in the sentence “Joan and Ashley needed to replace the battery in their car,” their is referring back to Joan and Ashley, so the reader knows that the car that’s being discussed is the car that Joan and Ashley own.
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Their is not an adjective. Their is a determiner: It's their house. It's their car. It's their business.
We use theirs when the object is left out (instead of the noun you put the ending -s): Our house is number 25, and theirs is just opposite. (taken from Longman Dictionary)
2 of 2
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Their is an adjective. It is used to modify a noun:
This is their ball.
Theirs is a pronoun. It is not used to directly modify a noun, although it does require an antecedent noun:
This ball is theirs.
In practice, their and theirs are basically equivalent in meaning, and you can use either one according to how you wish to word your sentence. In the sentences above, "This ball is theirs" puts slightly more emphasis on the ownership of the ball than on the ball itself, whereas "This is their ball" could emphasize either the ball or its ownership, depending on context.
Scribbr
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Theirs or *Their's | Meaning, Spelling & Use
October 5, 2023 - Examples: How to use theirs in a sentenceThis house is mine, and that house is theirs. Hannah and Tim can’t find their luggage. Use the best grammar checker available to check for common mistakes in your text.
Dictionary.com
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THEIRS Definition & Meaning | Dictionary.com
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.
Merriam-Webster
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THEIRS Definition & Meaning - Merriam-Webster
However, neither of the following examples are acceptable to the modern speaker unless the person referred to is known to be male or known to be female: Everyone should bring his own pencil. If someone calls, tell her I'll be back soon. His or her, him or her, and similar combinations were formerly recommended instead, but widely disliked. Fortunately, a simpler solution is available: they—and the related forms them, their, theirs, and themselves—have done the job for centuries, and are now widely accepted.
Merriam-Webster
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How to Use They're, There, and Their | Merriam-Webster
March 11, 2025 - They're (=they are) funny people. They're (=they are) the cutest puppies ever. ... They're (=they are) both really good books. They're (=they are) two of our biggest problems. The last of this trio, their, is the possessive form of they, so ...
Promova
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Theirs and There's | Meaning, Examples & Difference | Promova
The possessive singular pronoun 'theirs' should be used to refer to a thing or things belonging to them. For example, 'That book is theirs' or 'Those books are theirs'.
YourDictionary
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Examples of "Theirs" in a Sentence | YourDictionary.com
By these treaties, negotiated in 1866, the Cherokees gave the United States permission to settle other Indians on what was approximately the western half of their domain; the Seminoles, to whom the Creeks in 1855 had granted as their portion the strip between the Canadian river and its North Fork, ceded all of theirs, and the Creeks, Choctaws and Chickasaws ceded the western half of theirs back to the United States for occupancy by freedmen or other Indians.
Collins Dictionary
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Examples of 'THEIRS' in a sentence | Collins English Sentences
We welcome feedback: report an example sentence to the Collins team. Read more… · Just as theirs did last summer. ... Some orchards let you use theirs on site for a fee.
Dictionary.com
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“Their” vs. “There” vs. “They’re”: What’s the ...
October 24, 2024 - There is commonly used to introduce sentences or to indicate where something is, as in It’s over there, next to the window. Their is the possessive form of the personal pronoun they, essentially meaning “belonging to or possessed by them,” as in Is that their car, or ours?
Promova
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Theirs and Their | Meaning, Examples & Difference | Promova
Explanation: Their is a possessive adjective, indicating that the picnic basket belongs to the Smiths. 2. John and Sarah are known for their hospitality; they always make guests feel welcome.
Collins Dictionary
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THEIRS definition in American English | Collins English Dictionary
Read more… Just as theirs did last summer. Wall Street Journal (2023)But he is happy when other people are generous with theirs. Wall Street Journal (2023)They could use that data to your advantage instead of theirs.
Published March 20, 2018
Thesaurus.com
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THEIRS Synonyms & Antonyms - 7 words | Thesaurus.com
Other possessives Instead of saying things like This house is his and hers, we usually use the plural form theirs, as in This house is theirs. Sometimes, though, it makes more sense to separate who owns what by using separate possessive words. For example, instead of saying These vehicles are theirs, you could say This car is his and this truck is hers.
WordReference
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their, theirs | WordReference Forums
November 10, 2006 - In expression like 'this car is theirs' or 'this car of theirs', it isn't that easy to identify whether 'theirs' is an adjective or a pronoun. 'This car is blue' follows a similar pattern to 'this car is theirs', and 'blue' is not a pronoun!
7ESL
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Theirs vs. Their's: Confusing Possessive Pronouns • 7ESL
September 11, 2024 - It’s used when the ownership is already known, and no additional noun follows it. For example, we might say, “This book is theirs.” This means that the book belongs to them, and no noun is needed after “theirs” because it stands on its own.
Reddit
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r/grammar on Reddit: Correct usage of the word theirs'
October 5, 2021 -
"Our shared experiences in pain united us. Sharing my stories and soaking in theirs’, often left me uncomfortable, angry, and ashamed"
Is that right? How would I change the sentence if not?
Cambridge Dictionary
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THEIRS | definition in the Cambridge English Dictionary
Theirs is that little house with the big tree outside.