"their interest" vs "their interests"

Question

"their interest" vs "their interests"

Both 'their interest' and 'their interests' are correct, but they are used in different contexts. 'Their interest' is used when referring to a singular shared interest or a specific topic, while 'their interests' is used when talking about multiple interests or hobbies of a group of people.

Last Updated: March 30, 2024

Use 'their interest' when talking about a singular shared interest or a specific topic that a group of people have in common.

Examples:

Their interest in art led them to visit the museum together.
What is their interest in this project?
The team focused on their interest in environmental sustainability.

Alternatives:

the interest they share
the common interest
the specific interest

Use 'their interests' when talking about the various hobbies or interests of a group of people.

Examples:

Their interests include photography, hiking, and cooking.
I'm curious about their interests outside of work.
The club caters to their diverse interests.

Alternatives:

the hobbies they have
the things they are interested in
the activities they enjoy

Answer 1

their interest

This phrase is correct when referring to a singular shared interest or a specific topic.

Answer 2

their interests

This phrase is correct when referring to multiple interests or hobbies of a group of people.

"their interest" vs "their interests"

their interest

their interests

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