Her latest movie is a 'romantic' comedy. [=a comedy about two people who fall in love with each other]
They were 'romantically' involved. [=they had a romantic/sexual relationship with each other]
She had a lot of big 'romantic' dreams of becoming an actress.
(..) What are you doing? Stealing your woman. Take her. Take her. Well, you're a romantic bastard. I'll give you that. OK, open up in there. I work for Mr. E.H. Harriman... (..)1969 Butch Cassidy and the Sundance Kid