|a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.|
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
|1.||psychiatry a persistent idea or impulse that continually forces its way into consciousness, often associated with anxiety and mental illness|
|2.||a persistent preoccupation, idea, or feeling|
|3.||the act of obsessing or the state of being obsessed|
obsession ob·ses·sion (əb-sěsh'ən, ŏb-)
Compulsive preoccupation with an idea or an unwanted feeling or emotion, often accompanied by symptoms of anxiety.
A compulsive, often unreasonable idea or emotion.