Unjustified (adjective)

Not being able to be shown or proved to be right or reasonable.

Origin:

The word "unjustified" is derived from the prefix "un-" meaning "not" or "reverse of" and "justified" which means to show or prove to be right or reasonable.

Examples:

1. His actions were unjustified and completely out of line.
2. The company's decision to lay off employees was unjustified, they were still making a profit.
3. Her behavior was unjustified and hurtful.
4. The criticism was unjustified, as the project was still in development.
5. The punishment was unjustified, as the employee had no previous violations.