Definitions
Operating without a crew or human operator inside.
Word origin
From un- + manned.
Used in a sentence
“unmanned drones”
“an automated e-mail message sent from an unmanned mailbox”
“But her presence, via Beam, a teleconference robot that looks like the offspring of a computer and a Segway, roams the floor at what Beam reps say is the world’s first and only unmanned store.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Crewless”8 letters
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