OBSESS


Meaning of OBSESS in English

v.tr. (often in passive) preoccupy, haunt; fill the mind of (a person) continually.

Derivatives:

obsessive adj. & n. obsessively adv. obsessiveness n.

Etymology: L obsidere obsess- (as OB-, sedere sit)

Oxford English vocab.      Оксфордский английский словарь.