obsession

IPA: ʌbsˈɛʃʌn

The quality of being obsessed.
An idea that engenders a compulsive or irrational preoccupation, or the preoccupation thereby engendered.
An activity or entity that inspires a compulsive and potentially unhealthy fixation, or the fixation thereby inspired.
Influence or control by evil spirits without possession.

Examples of "obsession" in Sentences

That is why the word obsession is a convenient one in the analytical vocabulary.
People always use the word 'obsession' in a negative way, which I'm always amazed by.
This obsession is aimless and brainless and ends with your oblivion in American politics.
LING: He's going back, back to check on what he calls his obsession, the elephants of Chad's Zakouma National Park.
Ever since Trish had made it clear she was through playing second fiddle to his job, or what she called his obsession, and walked out, his social life had been so close to nonexistent that the difference hardly mattered.