Indefensible/ˌɪndɪˈfensəbl/ Definition 1 of 2Pro Tip 1/3Moral Judgment Used when someone's actions are completely wrong or unethical. Stealing from charity is absolutely indefensible. Pro Tip 2/3Criticism Context Common in arguments criticizing a person or group's actions. The politician's corrupt behaviour was indefensible. Pro Tip 3/3Strong Disapproval Signals strong disapproval, often leading to condemnation. The company's pollution of the river is indefensible.