Also found in: Thesaurus.
Related to mercilessness: mercilessly


Having no mercy; cruel.

mer′ci·less·ly adv.
mer′ci·less·ness n.
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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.mercilessness - feelings of extreme heartlessnessmercilessness - feelings of extreme heartlessness  
coldheartedness, hardheartedness, heartlessness - an absence of concern for the welfare of others
2.mercilessness - inhumaneness evidenced by an unwillingness to be kind or forgiving
inhumaneness, inhumanity - the quality of lacking compassion or consideration for others
ruthlessness, pitilessness - mercilessness characterized by a lack of pity
inexorability, inexorableness, relentlessness - mercilessness characterized by an unwillingness to relent or let up; "the relentlessness or their pursuit"
mercifulness, mercy - a disposition to be kind and forgiving; "in those days a wife had to depend on the mercifulness of her husband"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
The mercilessness of nature about them, of heat and cold, rain and snow; the mercilessness of the city, of the country in which they lived, of its laws and customs that they did not understand!
The ritual of Bara'ah which means refusing every instance of mercilessness, cruelty, wrongdoing and corruption of the tyrants of any time, and rising against intimidation and extortion by the arrogant throughout history, is one of the great blessings of Hajj, and an opportunity for oppressed Muslim nations.
Because he can win you over despite his brutality and mercilessness.
No one has devastated the country or subjected the people to such mercilessness in its 72-year history.'
"Seculosity" takes a thoughtful yet entertaining tour of American "performancism" and its cousins, highlighting both their ingenuity and mercilessness, all while challenging the conventional narrative of religious decline.
During her career, the prominent artist only featured men two times in her paintings, and both were to present the mercilessness men have, as she sees nothing else in them to be presented art wise.
Many more drowned or died of suffocation, hunger and human traffickers' mercilessness. The lucky ones become headlines shining the human rights credentials of Western leaders.
Forder's depiction of this man in this way shows his mercilessness, violence, and above all primitiveness.
'The question is has the Supreme Court or federal government ever taken notice of this injustice and mercilessness?'
Frankly, we have no business being there until we return to a time when mercilessness is no longer driving U.S.
They are capable of reacting, though slowly, with violence and mercilessness to misrule and misleadership, and of responding!