follow Dictionary.com

Fiancé or fiancée? What's the difference?

merciless

[mur-si-lis] /ˈmɜr sɪ lɪs/
adjective
1.
without mercy; having or showing no mercy; pitiless; cruel:
a merciless critic.
Origin of merciless
1300-1350
1300-50; Middle English mercyles. See mercy, -less
Related forms
mercilessly, adverb
mercilessness, noun
Synonyms
hard, relentless, unrelenting, fell, unsympathetic, inexorable.
Antonyms
compassionate.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for mercilessly
British Dictionary definitions for mercilessly

merciless

/ˈmɜːsɪlɪs/
adjective
1.
without mercy; pitiless, cruel, or heartless
Derived Forms
mercilessly, adverb
mercilessness, 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
Cite This Source
Word Origin and History for mercilessly

merciless

adj.

late 14c., see mercy + -less. Related: Mercilessly.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for merciless

Some English speakers likely know this word

Word Value for mercilessly

18
21
Scrabble Words With Friends

Quotes with mercilessly