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familial

[fuh-mil-yuh l, -mil-ee-uh l]
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adjective
  1. of, relating to, or characteristic of a family: familial ties.
  2. appearing in individuals by heredity: a familial disease.
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Origin of familial

From French, dating back to 1895–1900; see origin at family, -al1
Related formsin·ter·fa·mil·ial, adjectivenon·fa·mil·ial, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for nonfamilial

familial

adjective
  1. of or relating to the family
  2. occurring in the members of a familya familial disease
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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 nonfamilial

familial

adj.

from French familial, from Latin familia (see family). Meaning "hereditary" is from 1900; "family-like" is from 1903.

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Online Etymology Dictionary, © 2010 Douglas Harper

nonfamilial in Medicine

familial

(fə-mĭlyəl)
adj.
  1. Occurring or tending to occur among family members, usually by heredity.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.