Adjective

(head)

* {{quote-book, year=1888, author=Henry Murger, title=Bohemians of the Latin Quarter, chapter=, edition= citation

, passage=One day Rodolphe, who had been jugged for some slight choreographic extravagances, stumbled upon an uncle of his, one Monetti, a stove maker and smokey chimney doctor, and sargeant of the National Guard, whom he had not seen for an age. }}

* {{quote-news, year=2005, date=June 10, author=Liz Armstrong, title=Summertime, and the Pleasures Are Guilty, work=Chicago Reader citation

, passage=The kind who craves an "alternative to the smokey bar scene," says the studio's Web site, in the form of an "invigorating candlelight yoga class accompanied by great live music." }}

Adjective

(wikipedia undefined) (-)

Lacking a definition or value.

(mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.

The result of division by zero is undefined .