concerned

1. 1
   worriedadjective

   Feeling or showing worry or care about someone or something.

   Like a parent who keeps checking on a sick child because they are worried.

   Her concerned face told us that something was wrong.

   He looked concerned when he heard the bad news.

   UsageUse about or for: concerned about the test, concerned for a friend.

   Similarworried, anxious, troubled, uneasy, apprehensive

   Oppositeunconcerned, indifferent, untroubled, unworried

2. 2
   on a subjectadjective

   Of a book, study, or person: being about a certain subject or interested in it, usually followed by with.

   This chapter is concerned with how plants grow.

   The film is mainly concerned with family life on a small farm.

   UsageSay concerned with a subject. Concerned about means worried.

3. 3
   adjective

   Taking part in something, or having a duty or stake in it.

   We asked everyone concerned to come to the meeting.

   The workers concerned were not told about the change.

   UsagePut it after the noun: the parents concerned are the ones involved, but the concerned parents are worried.

   Similarinvolved, affected, interested, relevant

   Oppositeuninvolved, unaffected

4. 4
   verb

   Simple past and past participle of concern. Use it for something that already happened, or after words like "have" or "was."

   The meeting concerned the new school rules.

   The storm warning concerned everyone in the town.

   UsageSay concerned herself with something: she gave it her time and care.

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