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8 VERB [no cont] If something such as a book or a piece of information concerns a particular subject, it is about that subject. □ [V n] The bulk of the book concerns Sandy's two middle-aged children. □ [V pron-refl + with ] Chapter 2 concerns itself with the methodological difficulties. ●  con|cerned ADJ [v-link ADJ with n] □  Randolph's work was exclusively concerned with the effects of pollution on health.

9 VERB [no cont] If a situation, event, or activity concerns you, it affects or involves you. □ [V n] It was just a little unfinished business from my past, and it doesn't concern you at all. ●  con|cerned ADJ [n ADJ ] □  It's a very stressful situation for everyone concerned. □ [+ in ] I believe he was concerned in all those matters you mention. [Also + with ]

10 N‑SING [with poss] If a situation or problem is your concern , it is something that you have a duty or responsibility to be involved with. □ [+ of ] The technical aspects were the concern of the Army. □  I would be glad to get rid of them myself. But that is not our concern.

11 N‑COUNT You can refer to a company or business as a concern , usually when you are describing what type of company or business it is. [FORMAL , BUSINESS ] □  If not a large concern, Queensbury Nursery was at least a successful one.

12 PHRASE You can say ' as far as I'm concerned ' to indicate that you are giving your own opinion. □  As far as I'm concerned the officials incited the fight.

13 PHRASE You can say as far as something is concerned to indicate the subject that you are talking about. □  As far as cholesterol is concerned, then, one oil is as good as another.

14 PHRASE If a company is a going concern , it is actually doing business, rather than having stopped trading or not yet having started trading. [BUSINESS ] □  The receivers will always prefer to sell a business as a going concern.

15 PHRASE If something is of concern to someone, they find it worrying and unsatisfactory. □  Any injury to a child is a cause of great concern to us. □  The survey's findings are a matter of great concern.

16 PHRASE If something is of concern to you, it is important to you. □  How they are paid should be of little concern to the bank as long as they are paid. COLLOCATIONS concern NOUN 1

noun + concern : safety, security

adjective + concern : grave, growing, serious, severe; main, primary; immediate, pressing; genuine, legitimate

concern+ be + adjective : understandable, unfounded

verb + concern : express, raise, voice; address

con|cerned ◆◇◇ /kənsɜː ^r nd/

1 → see concern

2 ADJ If you are concerned to do something, you want to do it because you think it is important. □  We were very concerned to keep the staff informed about what we were doing. SYNONYMS concerned ADJ 2

anxious:The minister admitted he was anxious about the situation in his country.

worried:If you're worried about his progress, discuss it with his teacher.

bothered:I was bothered about the blister on my hand.

disturbed:Doctors were disturbed that so few patients were women.

con|cern|ing /kənsɜː ^r n I ŋ/

1 PREP You use concerning to indicate what a question or piece of information is about. [FORMAL ] □  …various questions concerning pollution and the environment.