OBSESS


Meaning of OBSESS in English

■ verb preoccupy continually or to a troubling extent.

↘be constantly worrying about something.

Derivatives

~ive adjective &noun

~ively adverb

~iveness noun

Origin

ME: from L. ~- , obsidere 'besiege'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.