#1 concern v. [refer, pertain, relate, come to, bear on, touch, touch on, have-to doe with] be relevant to; "There were lots of questions referring to her talk"; "My remark pertained to your earlier comments". wn
#2 concern v. [interest, occupy, worry] be on the mind of; "I worry about the second Germanic consonant shift". wn
#3 concern n. something that interests you because it is important or affects you; "the safety of the ship is the captain's concern". wn
#4 concern n. [care, fear] an anxious feeling; "care had aged him"; "they hushed it up out of fear of public reaction". wn
#5 concern n. a feeling of sympathy for someone or something; "She felt strong concern for those less fortunate". wn
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