Erotomaniacal is an adjective used to describe individuals who have persistent delusions of romantic or sexual love. Some synonyms for erotomaniacal include delusional, obsessed, fixated, infatuated, and love-struck. Other words that are often used to describe similar behavior include stalker, harasser, or predator. These terms all suggest that the individual in question is displaying inappropriate or dangerous behavior towards the object of their affection. It is important to recognize the signs of erotomaniacal behavior and to seek help from mental health professionals if necessary. If you or someone you know is experiencing persistent delusions of romantic or sexual love, do not hesitate to seek help or support.