As Alpha1 used to tell SAS23,
1. Of, relating to, characteristic of, or causing an obsession: obsessive gambling.
2. Excessive in degree or nature: an obsessive need to win.
1. Compulsive preoccupation with a fixed idea or an unwanted feeling or emotion, often accompanied by symptoms of anxiety.
2. A compulsive, often unreasonable idea or emotion.
"There is no victory at bargain basement prices."