unjustified
adj.not having a good or fair reason. You use this to describe an action or feeling that is not supported by facts.
adj.lacking a valid reason or evidence to support a particular action, belief, or feeling. Often used to describe criticism, expenses, or fears that are considered unfair or unnecessary.
“The high price of the coffee seems unjustified.”
“Many employees felt that the sudden changes to the holiday policy were completely unjustified given the company's recent profits.”
“While the initial concern was understandable, the continued surveillance of the population was deemed unjustified by the high court, as it violated fundamental privacy rights without a clear security benefit.”
Often used predicatively after linking verbs like 'be', 'seem', or 'remain'.
“Trade Expansion Act, that Carney called “unlawful, unjustified and illogical” at the time.”
From un- + justified.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.