unmanned

[uhn-mand]
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adjective
  1. without the physical presence of people in control: an unmanned spacecraft.
  2. Falconry. (of a captured hawk) untrained for hunting with a master; unmade.

Origin of unmanned

First recorded in 1535–45; un-1 + manned

unman

[uhn-man]
verb (used with object), un·manned, un·man·ning.
  1. to deprive of courage or fortitude; break down the manly spirit of: Constant conflict finally unmanned him.
  2. to deprive of virility; emasculate; castrate.

Origin of unman

First recorded in 1590–1600; un-2 + man1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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British Dictionary definitions for unmanned

unmanned

adjective
  1. lacking personnel or crewan unmanned ship
  2. (of aircraft, spacecraft, etc) operated by automatic or remote control
  3. uninhabited
  4. falconry (of a hawk or falcon) not yet trained to accept humans

unman

verb -mans, -manning or -manned (tr)
  1. to cause to lose courage or nerve
  2. to make effeminate
  3. to remove the men from
  4. archaic to deprive of human qualities
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for unmanned
adj.

"not furnished with a crew," 1540s, from un- (2) + man (v).

unman

v.

1590s, "to deprive of the attributes of a human being," from un- (2) + verbal derivative of man (n.). Meaning "to deprive of manly courage" is attested from c.1600; that of "to emasculate" is from 1680s.

Online Etymology Dictionary, © 2010 Douglas Harper