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merciless

mer·ci·less

merciless

 
pronunciation:
muhr sih lihs
features:
Word Parts
part of speech: adjective
definition: showing no kindness or compassion; without mercy; cruel.
synonyms:
cruel, pitiless, remorseless, ruthless, unmerciful
antonyms:
compassionate, merciful
similar words:
brutal, cold-blooded, hardhearted, heartless, inhuman, inhumane, relentless, truculent, unsparing, wanton
derivations: mercilessly (adv.), mercilessness (n.)
Word Parts
The word merciless contains the following part:
-less Middle English adjective-forming suffix that means without
Show wordsHide wordsMore about this word part:
The suffix -less attaches primarily to monosyllabic English nouns. However, -less is a fully productive suffix, meaning it can be added to any noun to form legitimate new words.
synonyms:
a-1, an-1
antonyms:
-ful1