1.Definition: a commercial or industrial enterprise and the people who constitute it

"He bought his brother's business", "A small mom-and-pop business", "A racially integrated business concern"

Related Noun(s):business

Category: General

2.Definition: a feeling of sympathy for someone or something

"She felt strong concern for those less fortunate"

Category: Feelings

3.Definition: an anxious feeling

Related Noun(s):care, fear

Category: Feelings

4.Definition: something or someone that causes anxiety; a source of unhappiness

"New York traffic is a constant concern", "It's a major worry"

Related Noun(s):headache, vexation, worry

Category: General

5.Definition: something that interests you because it is important or affects you

"The safety of the ship is the captain's concern"

Category: General