implacable

[ im-plak-uh-buhl, -pley-kuh- ]
See synonyms for: implacableimplacabilityimplacableness on Thesaurus.com

adjective
  1. not to be appeased, mollified, or pacified; inexorable: an implacable enemy.

Origin of implacable

1
First recorded in 1375–1425; late Middle English word from Latin word implācābilis. See im-2, placable

synonym study For implacable

Other words for implacable

Other words from implacable

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

Words Nearby implacable

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How to use implacable in a sentence

British Dictionary definitions for implacable

implacable

/ (ɪmˈplækəbəl) /


adjective
  1. incapable of being placated or pacified; unappeasable

  2. inflexible; intractable

Derived forms of implacable

  • implacability or 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