He was an 'intense' young man who was very determined to do well in school.
After many years of 'intense' study, he received his medical degree.
She has an 'intense' dislike for/of her husband's friend.
(..) - Fine? Just fine? He was very polite, and courteous, very formal and clean. Clean? I mean, he was you know, smart. And intense, kind of intimidating. - I can understand the fascination. - Uh huh! - Why are you looking at me like that? - Like what? Okay. (..)2015 Fifty Shades of Grey