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concern (EN)
noun, verb

noun “concern”

singular concern, plural concerns or uncountable
  1. something that is important to someone
    The safety of the children is the school's primary concern.
  2. a feeling of worry about a possible problem
    His main concern was whether he had studied enough for the exam.
  3. a feeling of wanting to protect and help someone or something
    Her concern for children led her to start a safer kindergarten.
  4. a business or company
    The local bakery concern has been thriving since it opened last year.

verb “concern”

infinitive concern; he concerns; past tense concerned; past part. concerned; ger. concerning
  1. to have an effect on or involve someone or something
    The new school policy concerns all students and teachers, so everyone should be aware of the changes.
  2. to be about a certain topic or subject
    The meeting concerns the new safety protocols at work.
  3. to cause someone to worry
    His constant coughing is concerning me; I think he should see a doctor.
  4. to show interest in something
    She concerns herself with environmental issues more than anything else.