concern (n.)
worry; something that matters
Examples
- Safety is our main concern.
Key rules
- A concern is a worry or a matter that is important
- Express concern about + noun
- Be concerned about + noun is common
Common mistakes
- I am concern about it โ I am concerned about it
Use cases
- Expressing worry
- Describing priorities
- Writing formal letters
๐ก Tip: Concern can also be a verb meaning to affect: this concerns you.