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civilian

[si-vil-yuh n]
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noun
  1. a person who is not on active duty with a military, naval, police, or fire fighting organization.
  2. Informal. anyone regarded by members of a profession, interest group, society, etc., as not belonging; nonprofessional; outsider: We need a producer to run the movie studio, not some civilian from the business world.
  3. a person versed in or studying Roman or civil law.
adjective
  1. of, pertaining to, formed by, or administered by civilians.

Origin of civilian

1350–1400; Middle English: student of civil law < Old French civilien (adj.); see civil, -ian
Related formsan·ti·ci·vil·ian, adjectivenon·ci·vil·ian, nounpro·ci·vil·ian, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for non-civilian

civilian

noun
    1. a person whose primary occupation is civil or nonmilitary
    2. (as modifier)civilian life

Word Origin

C14 (originally: a practitioner of civil law): from civile (from the Latin phrase jūs cīvīle civil law) + -ian
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 non-civilian

civilian

n.

late 14c., "judge or authority on civil law," from Old French civilien "of the civil law," created from Latin civilis "relating to a citizen, relating to public life, befitting a citizen; popular, affable, courteous" (see civil). Sense of "non-military person" is attested by 1819 (earlier in this sense was civilian, attested from c.1600 as "non-soldier"). The adjective is from 1640s.

Online Etymology Dictionary, © 2010 Douglas Harper