"Forbidden love" refers to a romantic or affectionate relationship between individuals who are not allowed to be together due to societal, cultural, or legal restrictions. Full definition
Where else should one read an epic love triangle / forbidden love story? (stylebyemilyhenderson.com)
There is something so appealing about forbidden love, especially when it leads to a happily - ever - after. (us.macmillan.com)
Holding a special place in the operatic canon, Aida tells the story of forbidden love between the Egyptian leader Radames and the beautiful Nubian princess Aida. (thetravelmagazine.net)