American Dictionary
Definition their in American English
their
determiner
What are red words?
Around 90% of spoken and written English relies on just 7,500 common words.
These words are highlighted in red and are ranked using a star system.
- One-star words are commonly used
- Two-star words are even more common
- Three-star words are the most frequently used
determiner
What are red words?
Around 90% of spoken and written English relies on just 7,500 common words.These words are highlighted in red and are ranked using a star system.
- One-star words are commonly used
- Two-star words are even more common
- Three-star words are the most frequently used
Their is used as a possessive determiner (followed by a noun), being a possessive form of they.
Don’t confuse their (the possessive form of “they”) and there (a pronoun and adverb). These two words sound exactly the same.
✗ In a democracy, people have the power to decide there own future.
✓ In a democracy, people have the power to decide their own future.
✗ Most women didn’t work and were dependent on there husbands.
✓ Most women didn’t work and were dependent on their husbands.
belonging to or relating to a particular group of people or things that have already been mentioned or when it is obvious which ones you are referring to
She has made a study of chemical fertilizers and their effect on the environment.
They have children of their own.

Related Words
Words related to their: