#1 interest n. [involvement] a sense of concern with and curiosity about someone or something; "an interest in music". wn
#2 interest n. [sake] a reason for wanting something done; "for your sake"; "died for the sake of his country"; "in the interest of safety"; "in the common interest". wn
#3 interest n. [interestingness] the power of attracting or holding one's attention (because it is unusual or exciting etc.); "they said nothing of great interest"; "primary colors can add interest to a room". wn
#4 interest n. a fixed charge for borrowing money; usually a percentage of the amount borrowed; "how much interest do you pay on your mortgage?". wn
#5 interest n. [stake] (law) a right or legal share of something; a financial involvement with something; "they have interests all over the world"; "a stake in the company's future". wn
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