Violation of another's rights or of what is right; lack of justice.(noun)
A specific unjust act; a wrong.(noun)
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.
Use "injustice" in a sentence
"I dipped my quill in ink and scratched the word injustice through one of the columns."
"Should we seek to imitate what we term the injustice of"
"Well, they've fallen foul of the Mallorings over what they call injustice to some laborers."