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English definition of “mercy”

mercy

noun [U]  /ˈmɜr·si/ us  

mercy noun [U] (KINDNESS)

kindness shown toward someone whom you have the right or power to punish: He begged for mercy. The soldiers showed no mercy toward their prisoners.

mercy noun [U] (LUCK)

something that is considered lucky because it is not as bad as it had been or could have been: It’s a mercy that no one was hurt in the fire.
(Definition of mercy from the Cambridge Academic Content Dictionary © Cambridge University Press)
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