Noun
1. a sense of concern with and curiosity about someone or something;
"an interest in music"2. the power of attracting or holding one's interest (because it is unusual or exciting etc.);
"they said nothing of great interest""primary colors can add interest to a room"3. 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. a fixed charge for borrowing money; usually a percentage of the amount borrowed;
"how much interest do you pay on your mortgage?"5. 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. (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. (usually plural) a social group whose members control some field of activity and who have common aims;
"the iron interests stepped up production"