im·plac·a·ble

[im-plak-uh-buhl, -pley-kuh-]
adjective
not to be appeased, mollified, or pacified; inexorable: an implacable enemy.

Origin:
1375–1425; late Middle English < Latin implācābilis. See im-2, placable

im·plac·a·bil·i·ty, im·plac·a·ble·ness, noun
im·plac·a·bly, adverb


unappeasable, unbending, merciless. See inflexible.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To implacable
Collins
World English Dictionary
implacable (ɪmˈplækəbəl) [Click for IPA pronunciation guide]
 
adj
1.  incapable of being placated or pacified; unappeasable
2.  inflexible; intractable
 
implaca'bility
 
n
 
im'placableness
 
n
 
im'placably
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Implacable is a GRE word you need to know.
So is advocate. Does it mean:
favorable to or promoting health; healthful:
to speak or write in favor of; support or urge by argument; recommend publicly:
Dictionary.com's 21st Century Lexicon
Main Entry:  implacable
Part of Speech:  adj
Definition:  unable to be appeased; irreconcilable
Etymology:  Latin im- + placare 'to appease'
Dictionary.com's 21st Century Lexicon
Copyright © 2003-2013 Dictionary.com, LLC
Cite This Source
Etymonline
Word Origin & History

implacable
1522, from O.Fr. implacable, from L. implacabilis "unappeasable," from in- "not" + placabilis "easily appeased" (see placate).
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Example sentences
At this point and this was where his cruel, implacable nature showed itself the
  past ceased to exist for him.
From personal experience, he developed an implacable enmity toward totalitarian
  regimes.
We face an implacable enemy allegedly eager and prepared to die in order to
  impact terror upon us.
In particular, he misjudges the towering and implacable rage for vengeance that
  comes upon his father.
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT