a feeling of worry or anxiety, something that causes worry or anxiety, an issue or matter that is important or relevant to someone

a going concern, at one's earliest convenience, to whom it may concern

cause for concern, express concern, concern oneself with

Formal and Informal Expressions of concern

In different contexts, you can replace 'concern' with suitable alternatives. In a more formal setting, 'issue, matter' is apt. In informal speech or writing, 'thing, problem' is a commonplace synonym.

concern: Explore its Definition & Usage

concern Definition

1a feeling of worry or anxiety
2something that causes worry or anxiety
3an issue or matter that is important or relevant to someone

Using concern: Examples

Take a moment to familiarize yourself with how "concern" can be used in various situations through the following examples!

Example
The safety of the children is our main concern.
Example
Her health is a major concern.
Example
The company's financial concerns have been resolved.
Example
I have some concerns about the new policy.

concern Synonyms and Antonyms

Synonyms for concern

Antonyms for concern

Idioms Using concern

a going concern
a business or organization that is currently operating and making a profit
Example
The restaurant is a going concern and has been successful for many years.
at one's earliest convenience
as soon as possible, without causing inconvenience to oneself or others
Example
Please let me know your decision at your earliest convenience.
to whom it may concern
a phrase used at the beginning of a formal letter when the writer does not know the name of the person who will be reading it
Example
To whom it may concern, I am writing to express my interest in the job opening.

Phrases with concern

cause for concern
a reason to worry or be anxious
Example
The recent increase in crime is a cause for concern.
express concern
to communicate worry or anxiety about something
Example
Many people have expressed concern about the environmental impact of the new development.
concern oneself with
to take an interest in or pay attention to something
Example
She only concerns herself with her own problems and doesn't care about anyone else.

Origins of concern

from Middle English 'concernen', meaning 'to relate to, be connected with'

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Summary: concern in Brief

The term 'concern' [kənˈsɜːrn] refers to a feeling of worry or anxiety, or something that causes such feelings. It can also refer to an issue or matter that is important or relevant to someone. Examples include 'The safety of the children is our main concern,' and 'I have some concerns about the new policy.' Phrases like 'cause for concern' and 'to whom it may concern' are also common.