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English definition of “interest”

interest

noun [C/U] (INVOLVEMENT)   /ˈɪn·trəst, ˈɪn·tər·əst/
a feeling of having your attention held by something, or of wanting to be involved with and learn more about something: [C] an interest in chess [U] I lost interest halfway through the book . Your interests are the activities that you enjoy doing and the subjects that you like to spend time learning about. of interest If something is of interest, it holds your attention and makes you want to learn more about it: Nothing much of interest was discussed .
(Definition of interest noun (INVOLVEMENT) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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