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Related to mercilessness: mercilessly
Having no mercy; cruel.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||mercilessness - feelings of extreme heartlessness|
|2.||mercilessness - inhumaneness evidenced by an unwillingness to be kind or forgiving|
inexorability, inexorableness, relentlessness - mercilessness characterized by an unwillingness to relent or let up; "the relentlessness or their pursuit"
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