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[fah-th er-in-law] /ˈfɑ ðər ɪnˌlɔ/
noun, plural fathers-in-law.
the father of one's husband or wife.
Origin of father-in-law
1350-1400; Middle English; see father, in, law1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for father-in-law
  • Fifteen years before the work began, her father-in-law tried to steal her inheritance.
  • The science seems to be largely spot-on: getting a decent grade from even my nuclear physicist father-in-law.
  • She and my father-in-law got married almost fifty years ago.
  • My father-in-law, a thoughtful and gentle fellow, didn't say anything.
  • My father-in-law occasionally lectures there on the artwork of early automobile advertising.
  • He was also accused of profiting from questionable stock market purchases made by his father-in-law.
  • The carpeted cargo area was cozy enough for my father-in-law to nap in following our stalk-stroll.
  • For my father-in-law, a clock manufacturer, it was an eye-opener.
  • It became next to impossible when his father-in-law insisted on watching ice-hockey on television in the same room.
  • But one link with his father-in-law proved less happy.
British Dictionary definitions for father-in-law


noun (pl) fathers-in-law
the father of one's wife or husband
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
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