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  1. hardened like or into bone.
  2. Slang. drunk.

Origin of ossified

First recorded in 1790–1800; ossify + -ed2
Related formsun·os·si·fied, adjective


verb (used with object), os·si·fied, os·si·fy·ing.
  1. to convert into or cause to harden like bone.
verb (used without object), os·si·fied, os·si·fy·ing.
  1. to become bone or harden like bone.
  2. to become rigid or inflexible in habits, attitudes, opinions, etc.: a young man who began to ossify right after college.

Origin of ossify

1705–15; < Latin ossi- (stem of os) bone + -fy
Related formsos·si·fi·er, nounun·os·si·fy·ing, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for ossified


  1. converted into bone
  2. having become set and inflexible
  3. Irish slang intoxicated; drunk


verb -fies, -fying or -fied
  1. to convert or be converted into bone
  2. (intr) (of habits, attitudes, etc) to become inflexible
Derived Formsossifier, noun

Word Origin

C18: from French ossifier, from Latin os bone + facere to make
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 ossified



1713, "to turn into bone," a back-formation from ossification, or else modeled on French ossifier (18c.) and formed from Latin os (genitive ossis) "bone" (see osseous) + -fy. Figurative sense is from 1858. Related: Ossified; ossifying.

Online Etymology Dictionary, © 2010 Douglas Harper

ossified in Medicine


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