Did you know?

Click any word in a definition or example to find the entry for that word

concern - definition and synonyms

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

Thesaurus diagram

The thesaurus of synonyms and related words is fully integrated into the dictionary. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning.

noun     concern pronunciation in American English
Word Forms
  1. 1
    [uncountable] a feeling of worry about something, especially one that a lot of people have about an important issue
    concern about/over/at:

    Many people expressed concern over moves to restore the death penalty.

    There’s a lot of public concern about modern farming methods.

    concern that:

    There is some concern that the country may slide into civil war.

    express/voice concern:

    Many people have voiced concern over the proposed changes in the law.

    cause concern/be a cause for concern:

    Her doctor said her condition was causing concern.

    growing/widespread concern:

    There is growing concern about the safety of cell phones.

    a matter of concern (=something that makes people feel worried):

    The issue of alcohol-related crime is becoming a matter of great concern.

    1. a.
      [countable] something that worries you
      main/major concern:

      Eighteen percent of people said unemployment was their main concern.

      raise/express/voice concerns:

      Many doctors have raised concerns about the drug.

  2. 2
    [countable/uncountable] something that you think is important

    My only concern is to find my daughter.

    main/primary/major concern:

    Our primary concern is to give our clients a professional service.

  3. 3
    [uncountable] a feeling that you care about someone and want them to be happy and well
    concern for:

    He showed a complete lack of concern for the children’s welfare.

    genuine concern:

    “Are you alright?” she said with genuine concern.

  4. 4
    [singular] [always in negatives] if something is not your concern, you are not responsible for it and do not need to become involved in it

    His private life is no concern of ours.

    1. a.
      [singular] if something is your concern, you are responsible for it and have to deal with it

      If those children are skipping school then that is the parents’ concern.

  • Facebook
  • Twitter


to manipulate someone psychologically so that they begin to question their own perceptions and memories

BuzzWord Article

Open Dictionary

Dunning-Kruger effect

the phenomenon by which an incompetent person is too incompetent to understand his own incompetence

add a word


A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog
Macmillan learn live love play