secret, clandestine, or surreptitious procedure.

a furtive departure or entrance.

Obsolete .

an act of stealing; theft.

the thing stolen; booty.

( initial capital letter ) Military . a U.S. Air Force project involving a range of technologies, with the purpose of developing aircraft that are difficult to detect by sight, sound, radar, and infrared energy.

surreptitious; secret; not openly acknowledged

a stealth hiring of the competitor's CEO; the stealth issue of the presidential race.

noun

furtiveness , slinkiness , sneakiness , stealthiness