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 degree
2 : of, relating to, or characterized by obsession : deriving from obsession

— obsessive noun

— ob·ses·sive·ly adverb

— ob·ses·sive·ness noun