engrossing
Definitions
Capturing one's complete attention; absorbing.
Extremely interesting or fascinating.
Examples
The mystery novel was so engrossing that I stayed up until dawn to finish it.
The documentary provided an engrossing look into the complex lives of deep-sea creatures.
Synonyms
captivating fascinating gripping compelling absorbing enthralling riveting
Antonyms
boring dull tedious uninteresting monotonous wearisome tiresome