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See more synonyms for unmanned on Thesaurus.com
  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.
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Origin of unmanned

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


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.
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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

Related Words for unmanned

discourage, dishearten, unsettle, dampen, dispirit, upset, disorganize, disturb, cripple, deject, daunt, debilitate, embarrass, disconcert, sap, undermine, weaken, emasculate, altered, fixed

Examples from the Web for unmanned

Contemporary Examples of unmanned

Historical Examples of unmanned

British Dictionary definitions for unmanned


  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
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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
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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


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

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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.

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Online Etymology Dictionary, © 2010 Douglas Harper