The noun interest has 7 senses (first 7 from tagged texts)
1. (306) interest, involvement -- (a sense of concern with and curiosity about someone or something; "an interest in music")
2. (164) interest, 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")
3. (164) sake, interest -- (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")
4. (111) interest -- (a fixed charge for borrowing money; usually a percentage of the amount borrowed; "how much interest do you pay on your mortgage?")
5. (68) pastime, interest, pursuit -- (a diversion that occupies one's time and thoughts (usually pleasantly); "sailing is her favorite pastime"; "his main pastime is gambling"; "he counts reading among his interests"; "they criticized the boy for his limited pursuits")
6. (57) interest, 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")
7. (25) interest, interest group -- ((usually plural) a social group whose members control some field of activity and who have common aims; "the iron interests stepped up production")
Overview of verb interest
The verb interest has 3 senses (first 3 from tagged texts)
1. (5) interest -- (excite the curiosity of; engage the interest of)
2. (2) concern, interest, occupy, worry -- (be on the mind of; "I worry about the second Germanic consonant")
3. (1) matter to, interest -- (be of importance or consequence; "This matters to me!")