Abbreviation of deficit. / Abbreviation of definition.

Abbreviation of definitely.

(African-American Vernacular, slang) excellent; very good

(law) Abbreviation of defense.

(automotive) Abbreviation of diesel exhaust fluid. / (role-playing games) Initialism of defence point.

Abbreviation of high-definition.

(semantics, lexicography) A statement of the meaning of a word or word group or a sign or symbol (dictionary definitions).

Deficiency in amount or quality; a falling short; lack. / A situation wherein, or amount whereby, spending exceeds (e.g. government) revenue.

(economics) A negative balance of trade.

(transitive) To delay or postpone / (especially more common, historically) to postpone induction into military service.