Main Entry:

ob·ses·sive

Pronunciation:

\äb-ˈse-siv, əb-\

Function:

adjective

Date:

1901

1 a: tending to cause obsession b: excessive often to an unreasonable degree2: of, relating to, or characterized by obsession : deriving from obsession

— obsessive noun

— ob·ses·sive·ly adverb

— ob·ses·sive·ness noun