—adj. 1. specially recognized as or declared sacred by religious use or authority; consecrated: holy ground. 2. dedicated or devoted to the service of God, the church, or religion: a holy man. 3. saintly; godly; pious; devout: a holy life. 4. having a spiritually pure quality: a holy love. 5. entitled to worship or veneration as or as if sacred: a holy relic. 6. religious: holy rites. 7. inspiring fear, awe, or grave distress: The director, when angry, is a holy terror.