unjustifiable
Definitions
Not able to be shown to be right or reasonable.
Lacking adequate justification or excuse.
Examples
The company's decision to lay off thousands of employees while awarding record bonuses to executives was deemed completely unjustifiable.
There is no excuse for such an unjustifiable delay in processing the urgent medical applications.
Synonyms
inexcusable indefensible unwarranted unpardonable groundless baseless