The Collaborative International Dictionary of English v.0.48:
Devout \De*vout"\, a. [OE. devot, devout, F. d['e]vot, from L.
devotus devoted, p. p. of devovere. See Devote, v. t.]
1. Devoted to religion or to religious feelings and duties;
absorbed in religious exercises; given to devotion; pious;
A devout man, and one that feared God. --Acts x. 2.
We must be constant and devout in the worship of
2. Expressing devotion or piety; as, eyes devout; sighs
devout; a devout posture. --Milton.
3. Warmly devoted; hearty; sincere; earnest; as, devout
wishes for one's welfare.
The devout, devoutly religious persons, those who are
Syn: Holy; pure; religious; prayerful; pious; earnest;
reverent; solemn; sincere.