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concern

American  
[kuhn-surn] / kənˈsɜrn /

verb (used with object)

  1. to relate to; be connected with; be of interest or importance to; affect.

    The water shortage concerns us all.

    Synonyms:
    involve, touch
  2. to interest or engage (used reflexively or in the passive, often followed by with orin ).

    She concerns herself with every aspect of the business.

  3. to trouble, worry, or disquiet.

    I am concerned about his health.

    Synonyms:
    disturb

noun

  1. something that relates or pertains to a person; business; affair.

    Law is the concern of lawyers.

  2. a matter that engages a person's attention, interest, or care, or that affects a person's welfare or happiness.

    The party was no concern of his.

    Synonyms:
    responsibility, burden
  3. worry, solicitude, or anxiety.

    to show concern for someone in trouble.

    Antonyms:
    indifference
  4. important relation or bearing.

    This news is of concern to all of us.

  5. a commercial or manufacturing company or establishment.

    the headquarters of an insurance concern.

    Synonyms:
    house, firm
  6. Informal. any material object or contrivance.

concern British  
/ kənˈsɜːn /

verb

  1. to relate to; be of importance or interest to; affect

  2. to involve or interest (oneself)

    he concerns himself with other people's affairs

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. something that affects or is of importance to a person; affair; business

  2. regard for or interest in a person or a thing

    he felt a strong concern for her

  3. anxiety, worry, or solicitude

  4. important bearing or relation

    his news has great concern for us

  5. a commercial company or enterprise

  6. informal a material thing, esp one of which one has a low opinion

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
concern Idioms  
  1. see as far as that goes (is concerned); to whom it may concern.


Usage

What is a basic definition of concern? Concern means to relate to or to affect, to interest or engage, or to worry. Concern also has several senses as a noun.If an issue or problem concerns someone, it means that it involves them or will affect them personally.

  • Real-life examples: The price of gas concerns drivers. Stock market prices concern investors. Global warming concerns everyone.
  • Used in a sentence: Our conversation doesn’t concern you, so leave us alone. 
As a noun, this sense of concern means something that is closely related to something else or something that is a main focus.
  • Used in a sentence: Fires are the concern of the fire department. 
Concern can also mean to interest someone or draw their attention. In this sense, it is often followed by with or in.
  • Real-life examples: You might concern yourself with your friend’s problem because you care about them. When you’re taking a test, your teacher might remind students to be concerned only with their own papers. Your parents concern themselves with your health.
  • Used in a sentence: Chuck doesn’t concern himself with other people’s problems. 
Concern is used as a noun in this sense to mean a matter or issue that a person cares about.
  • Used in a sentence: What my neighbors do to their lawn is no concern of mine. 
Lastly, concern means to worry or cause anxiety.
  • Real-life examples: You might be concerned about your grades. Politicians are often concerned about whether voters will keep voting for them. Your friend might be concerned about whether you both make the basketball team.
  • Used in a sentence: Her brother’s failing health really concerns Joelene,  and she has been losing sleep over it. 
As a noun, concern is a synonym of words such as worry or anxiety.
  • Used in a sentence: We try to ease parents’ concern by showing them that the school is completely safe and monitored. 

Other Word Forms

  • overconcern noun
  • preconcern noun
  • self-concern noun

Etymology

Origin of concern

First recorded in 1375–1425; late Middle English concernen, from Middle French concerner, from Medieval Latin concernere “to relate to, distinguish,” from Late Latin: “to mix for sifting,” from Latin con- con- + cernere “to decide, separate, sift”

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

So far, markets have shown few signs of significant concern that the Fed would completely surrender its independence.

From The Wall Street Journal

As far as he was concerned, he said, Hammani was a collaborator.

From The Wall Street Journal

A possible three-day trip to Ireland by the then Prince of Wales, now King Charles III, was discussed by British and Irish officials in March before it was abandoned due to security concerns.

From BBC

He raised concerns about the closure of services, fewer opportunities for people with learning disabilities to meet as well as logistical barriers such as poor transport links.

From BBC

Designers said they are tapping into people’s eagerness to get off their phones and create memorable in-person experiences, along with concern about the high cost of traditional theme-park vacations.

From The Wall Street Journal