merciless

[ mur-si-lis ]
/ ˈmɜr sɪ lɪs /

adjective

without mercy; having or showing no mercy; pitiless; cruel: a merciless critic.

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weal

Origin of merciless

First recorded in 1300–50, merciless is from the Middle English word mercyles. See mercy, -less

OTHER WORDS FROM merciless

mer·ci·less·ly, adverbmer·ci·less·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for mercilessness

British Dictionary definitions for mercilessness

merciless
/ (ˈmɜːsɪlɪs) /

adjective

without mercy; pitiless, cruel, or heartless

Derived forms of merciless

mercilessly, adverbmercilessness, noun
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