[ fuh-mil-yuh l, -mil-ee-uh l ]
/ fəˈmɪl yəl, -ˈmɪl i əl /


of, relating to, or characteristic of a family: familial ties.
appearing in individuals by heredity: a familial disease.

Nearby words

  1. famacide,
  2. famagusta,
  3. fame,
  4. famed,
  5. fameuse,
  6. familial aggregation,
  7. familial alzheimer's disease,
  8. familial amyloidosis,
  9. familial benign chronic pemphigus,
  10. familial broad-beta hyperlipoproteinemia

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. 2019

Examples from the Web for familial

British Dictionary definitions for familial


/ (fəˈmɪlɪəl) /


of or relating to the family
occurring in the members of a familya familial disease
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 familial



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

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for familial


[ fə-mĭlyəl ]


Occurring or tending to occur among family members, usually by heredity.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.