B1
the feeling of wanting to give your attention to something or of wanting to discover more about it
Dictionary examples:
My dog's interest in my homework wasn't as helpful as I'd hoped. (0.0)
His sudden interest in cleaning appeared just before his mom visited. (0.0)
My interest in becoming a chef grew with every pizza delivery. (0.0)
He didn't show any interest in his dinner. (17.2)
She takes more of an interest in politics these days. (22.6)
I lost interest halfway through the movie. (50.7)
I've always had an interest in astronomy. (51.5)