<p><strong>Noun</strong></p><ul><li>a secret, clandestine, or surreptitious procedure</li><li>a furtive departure or entrance</li><li>Obsolete: an act of stealing; theft</li><li>the thing stolen; booty</li><li>Stealth, 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</li></ul><p><strong>Adjective</strong></p><ul><li>not openly acknowledged; surreptitious; secret: They used underhand methods such as the stealth hiring of a competitor's CEO. Spending cuts are the stealth issue of this presidential race.</li><li>(of a transgender person) living as a cisgender member of one's identified gender, without revealing that one is transgender: For some transgender people, being stealth may be the safest option.</li></ul>