English edit

Etymology edit

From Latin im- (not) + pacare (to quiet). See pacate.

Adjective edit

impacable (comparative more impacable, superlative most impacable)

  1. (obsolete) Not to be appeased or quieted.
    • 1590, Edmund Spenser, “(please specify the book)”, in The Faerie Queene. [], London: [] [John Wolfe] for William Ponsonbie, →OCLC:
      But those two other , which beside them stoode ,
      Were Britomart and gentle Scudamour ;
      Who all the while beheld their wrathfull moode ,
      And wondred at their impacable stoure ,
      Whose like they never saw till that same houre

Related terms edit

See also edit

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for impacable”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)