stealth:1

noun
stealth \ ˈstelth \
14th century{ds||3|a|}
  • a cautious, unobtrusive, and secretive way of moving or proceeding intended to avoid detection
  • an aircraft-design characteristic consisting of oblique angular construction and avoidance of vertical surfaces that is intended to produce a very weak radar return —usually used before another noun
  • theft

stealth:2

adjective
stealth \
1979{ds||1||}
  • intended not to attract attention : stealthy
  • involving or caused by an asymptomatic or presymptomatic infectious individual : silent
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