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implacable

[im-plak-uh-buh l, -pley-kuh-] /ɪmˈplæk ə bəl, -ˈpleɪ kə-/
adjective
1.
not to be appeased, mollified, or pacified; inexorable:
an implacable enemy.
Origin
late Middle English
1375-1425
1375-1425; late Middle English < Latin implācābilis. See im-2, placable
Related forms
implacability, implacableness, noun
implacably, adverb
Synonyms
unappeasable, unbending, merciless. See inflexible.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for implacable
  • At this point and this was where his cruel, implacable nature showed itself the past ceased to exist for him.
  • His good efforts were met with implacable ideological warfare and will to power from the other side.
  • In the face of the implacable evil witnessed this week, the answer may have changed.
  • There is only the implacable queue of tickets, coded with a variety of letters.
  • On rights it deems absolute, the court is implacable.
  • We face an implacable enemy allegedly eager and prepared to die in order to impact terror upon us.
  • Above and over all, the mystery of the night and the desert places hovered inscrutable and implacable.
  • The outcries of separated minorities would be implacable and unceasing cause of war.
  • And place at their doorway an implacable rock of suffocation, trapping them inside.
  • His stern, implacable approach to budgets sometimes angered employees.
British Dictionary definitions for implacable

implacable

/ɪmˈplækəbəl/
adjective
1.
incapable of being placated or pacified; unappeasable
2.
inflexible; intractable
Derived Forms
implacability, implacableness, noun
implacably, adverb
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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Contemporary definitions for implacable
adjective

unable to be appeased; irreconcilable

Word Origin

Latin im- + placare 'to appease'

Dictionary.com's 21st Century Lexicon
Copyright © 2003-2014 Dictionary.com, LLC
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Word Origin and History for implacable
adj.

early 15c., from Old French implacable, from Latin implacabilis "unappeasable," from assimilated form of in- "not, opposite of" (see in- (1)) + placabilis "easily appeased" (see placate). Related: Implacably.

Online Etymology Dictionary, © 2010 Douglas Harper
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