unwarranted

incapable of being justified or explained

without a basis in reason or fact

• “baseless gossip”
• “the allegations proved groundless”
• “idle fears”
• “unfounded suspicions”
• “unwarranted jealousy”

lacking justification or authorization

• “unreasonable searches and seizures”
• “desire for undue private profit”
• “unwarranted limitations of personal freedom”