1. impossible to excuse, defend, or show to be right or reasonable

Examples

• The company’s decision to cut employee benefits was completely unjustifiable.
• His rude behavior toward the customers was unjustifiable.
• The judge ruled that the police search was unjustifiable under the circumstances.
• Many considered the price increase unjustifiable given the product’s quality.
• Her anger was unjustifiable since he had done nothing wrong.
• The delay in emergency response was unjustifiable and cost lives.