I'm losing interest.
B2My interest is waning.
This is painfully dull.
B2Extremely boring.
I find it fascinating.
B2I find it extremely interesting.
It piqued my interest.
B2It aroused my curiosity.
I'm captivated by it.
B2I'm completely absorbed by it.
It's really gripping.
B2Very exciting and interesting.
I'm hooked!
B2Completely engrossed and enthusiastic.
It holds my attention.
B2It keeps me interested.
I'm completely engrossed.
B2Fully absorbed.
It's mind-numbingly boring.
B2Extremely boring.
I'm so over it.
B2I'm completely uninterested or fed up.
It's incredibly tedious.
B2Very boring and repetitive.
I'm dying of boredom.
B2Extremely bored.
It's utterly captivating.
B2Extremely engaging and fascinating.
It really grabs you.
B2It's very engaging and interesting.
I'm thoroughly engrossed.
B2Completely absorbed and interested.
It sparks my curiosity.
B2It makes me curious.
I'm losing my patience.
B2I'm becoming impatient, often due to boredom.
It's beyond tedious.
B2Extremely tedious and boring.
I'm completely absorbed.
B2Fully engaged and focused.
It's stimulating.
B2Interesting and thought-provoking.
It's a real page-turner.
B2A book or story that is very engaging.
I'm utterly bored stiff.
C1Extremely bored.
It's a bit of a snooze-fest.
C1Something very boring.