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ruthless

ruth·less

ruthless

 
pronunciation:
ruth lihs
part of speech: adjective
definition: without mercy or compassion; pitiless or cruel.
The new leader soon proved to be a ruthless tyrant.The captors used ruthless means to extract confessions.
synonyms:
brutal, cold-blooded, cruel, cutthroat, heartless, merciless, pitiless, remorseless, unsparing
similar words:
atrocious, barbarous, beastly, bloodthirsty, brute, brutish, hardhearted, inhuman, relentless, sanguinary, truculent, unfeeling, vicious
derivations: ruthlessly (adv.), ruthlessness (n.)