This is the 13019th most frequent Russian word.
любовном
"Любовном" means "romantic" or "pertaining to love."
The word 'любовном' works as an adjective meaning 'romantic' or pertaining to love, describing the type of novel.
В любовном романе важно выразить глубокие чувства.
In a romantic novel, it's important to express deep feelings.
Here, 'любовном' qualifies the emotional state 'порыв' (impulse), indicating that the impulse is related to love or romance.
Он написал письмо в любовном порыве.
He wrote a letter in a romantic impulse.
In this usage, 'любовном' describes the 'front' metaphorically representing the domain of love and romantic relationships.