crewless

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English[edit]

Etymology[edit]

crew +‎ -less

Adjective[edit]

crewless (not comparable)

  1. Without a crew; unmanned
    • 1961 February, “Talking of Trains: Automated trains in New York”, in Trains Illustrated, page 78:
      The short but extremely busy subway shuttle service on the northerly track between New York's Times Square and Grand Central Station will soon be provided by crewless three car trains.
    • 1964 November, “Automatic helper locomotive control on the Louisville & Nashville RR, USA”, in Modern Railways, page 354:
      A device for the automatic control of crewless helper locomotives cut into the make-up of heavy freight trains has been perfected by the Louisville & Nashville RR in conjunction with the General Railway Signalling Co.
    • 2013 December 26, Dave Rudd, “No hands on deck: Dawn of the crewless ship”, in The Financial Times:
      No hands on deck: Dawn of the crewless ship

Synonyms[edit]