Bad
injustice - A situation in which the rights of a person or a group are ignored, and they are treated unfairly.
The American Colonies felt that 'taxation without representation' was an injustice that, among other things, warranted a revolutionary war of independence against England.
unforgiving - Not making an allowance for error or weakness in others; not willing to forgive others for things they might have done wrong.
Because they knew that Alaska in the winter is an unforgiving environment, they had to plan their expedition very carefully.