Definition of "unforgiving" []

• Reluctant or refusing to forgive: an unforgiving creditor. (adjective)
• Providing little or no opportunity to forestall undesired results or mistakes: an unforgiving computer program. (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.

• "To say that some Mexican beds are "unforgiving" is downright kindly."
• "This hidden civilization, beautiful and unforgiving, is dominated by a sinister, vicious race called the Styx, who have presided over generations of enslaved colonists."
• "In the end it is a mysterious mix of unpredictable weather and bad luck and strange chemistry: a mismatched bunch of people who found themselves stuck with one another in unforgiving terrain."