noun a devotee.
2. devout ·noun a devotional composition, or part of a composition; devotion.
3. devout ·vt expressing devotion or piety; as, eyes devout; sighs devout; a devout posture.
4. devout ·vt warmly devoted; hearty; sincere; earnest; as, devout wishes for one's welfare.
5. devout ·vt devoted to religion or to religious feelings and duties; absorbed in religious exercises; given to devotion; pious; reverent; religious.