(uncountable) (finance) The
price paid for obtaining, or
price received for providing,
money or goods in a
credit transaction, calculated as a fraction of the amount or
value of what was borrowed.
[from earlier 16th c. –
Our bank offers borrowers an annual interest of 5%.
(uncountable) A great attention and concern from someone or something; intellectual curiosity.
[from later 18th c. –
He has a lot of interest in vintage cars.
(uncountable) Attention that is given to or received from someone or something.
(countable) A
business or amorous link or involvement.
I have
business interests in South Africa.