"supplied with news or full information," 1828, American English, past-participle adjective from post (v.2).

"obtain information (from someone) at the end of a mission," 1945 (implied in verbal noun de-briefing), from de- + brief (v.). Related: Debriefed.

"give erroneous information or instruction to, give a wrong course of direction to," c. 1600, from mis- (1) "badly, wrongly" + direct (v.). Related: Misdirected; misdirecting.

"software used to obtain covert information about a computer's activities by transmitting data covertly from its hard drive to another computer," by 2000, from spy + ending from software in the computer sense.

abbreviation of the Latin phrase quod vide "which see," placed after a dictionary entry, book title, etc., to refer the reader to it for further information. From neuter of qui "who" + imperative singular of videre "to see."

"to stand over or beside," from Old English oferstandan; see over- + stand (v.). In modern Jamaican patois it is used for understand as a better description of the relationship of the person to the information or idea.

also playbill, 1670s, "placard displayed as an advertisement of a play," giving more or less information about it, from play (n.) in the theatrical sense + bill (n.1).