unmannable
adj.— «A new word is entering the aero space lexicon as the US Air Force analyses its long-range strike options—unmannable: an aircraft that could begin its life manned, then evolve over time to unmanned operation; or one that could switch between missions, flying unmanned when the persistence required or threat faced is beyond a manned aircraft.» —“Farnborough review: Pilot optional” by Graham Warwick Flight (Sutton, United Kingdom) Aug. 1, 2006. (source: Double-Tongued Dictionary)
Further reading
The archaic English word ruelle means “the space between a bed and the wall.” It’s adapted from French ruelle meaning “a small alley or lane.” This is part of a complete episode.
Related
When an international team of scientists traveled to a research station in Antarctica for six months, the language they all shared was English. After six months together, their accents changed ever so slightly — a miniature version of how language...