Definition of "remorseless" [re•morse•less]

• Having no pity or compassion; merciless. (adjective)
• Unyielding; relentless. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Treacherous, beautiful, remorseless, that is how men regard the sea and the rushing rivers, of whom the sirens and mermaids of old tradition have come to stand as symbols."
• "I have seen a few such cases of what I may call the remorseless exercise of authority, and the result has not been pleasing."
• "His eyes filled with tears, Mr. Ross talked about how the financier who once managed $5 million of his money looked "remorseless" in front of the court."