1. having or showing deep religious feeling or commitment
2. totally committed to a cause or belief; earnest

Examples

• She was a devout Catholic who attended mass daily.
• The devout Muslim prayed five times a day.
• He came from a devout family that valued religious traditions.
• She was devout in her belief that education could change the world.
• The devout followers gathered for the religious ceremony.
• His devout commitment to environmental causes impressed everyone.
• The devout congregation sang hymns with great enthusiasm.