concern

verb (INVOLVE)

/kənˈsɜːn/

/-ˈsɝːn/

Definition

B2 [T] to be important to someone or to involve someone directly: Matters of pollution and the environment concern us all. What I have to say to Amy doesn't concern you.Linking and relatingRegarding and concerningIncluding and containingComprising and consisting of B2 [T] formal If a story, film, or article concerns a particular subject, person, etc., it is about that person or subject: The film concerns a woman who goes to China as a missionary.Regarding and concerningLinking and relating concern yourself › to become involved with something, or worried about something: There's no need for you to concern yourself with what happened. Don't concern yourself. She'll be home soon.Anxious and worriedTaking part and getting involvedGetting involved for one's own benefit or against others' will to whom it may concern › something you write at the start of a formal letter or notice when you do not know exactly who it should be sent toWritten greetingsLetters, notes and cards

(Definition of concern verb (INVOLVE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)