Injunction/ɪnˈdʒʌŋkʃn/ Definition 1 of 2Pro Tip 1/3Legally Binding Injunctions require action or restraint and are enforceable by law. The court's injunction forced the company to halt production. Pro Tip 2/3Court Authority An injunction is a powerful tool used by courts to maintain order. The judge issued an injunction to prevent evidence tampering. Pro Tip 3/3Immediate Effect Injunctions often require immediate action and can't be delayed. The environmental injunction stopped the tree cutting immediately.