Dictionary definition · concern
noun
- something that interests you because it is important or affects you"the safety of the ship is the captain's concern"
- an anxious feeling"care had aged him"
- a feeling of sympathy for someone or something"She felt strong concern for those less fortunate"
- something or someone that causes anxiety; a source of unhappiness"New York traffic is a constant concern"
- a commercial or industrial enterprise and the people who constitute it"he bought his brother's business"
verb
- be relevant to"There were lots of questions referring to her talk"
- be on the mind of"I worry about the second Germanic consonant shift"
Source: Open English WordNet (CC BY 4.0).