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Definition of "implacable" [im•pla•ca•ble]

  • Impossible to placate or appease: implacable foes; implacable suspicion. (adjective)
  • Incapable of being placated or pacified; unappeasable (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • Inflexible; intractable (adjective)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "implacable" in a sentence
  • "So implacable is his revenge that he sends a party of soldiers into Egypt, some hundreds of miles, and they bring him back by force of arms."
  • "Allegra’s tone was neutral, her expression implacable."
  • "“Well, that’s as may be, Lady Nell, but it’s not right,” Linton declared, her arms folded, her expression implacable."
  • "“Well, that’s as may be, Lady Nell, but it’s not right,” Linton declared, her arms folded, her expression implacable."
  • "Rue Murillo, or in the tent at Croisset; he has recalled the implacable didactics of his old master, his tender brutality, the paternal advice of his generous and candid heart."
  • "The doctrine is optimistic; and whoever has a generous faith in humanity will have no fault to find with the absence of the idea of implacable evil from its teaching."