Devoted to religion or to religious feelings and duties; absorbed in religious exercises; given to devotion; pious; reverent; religious.

Expressing devotion or piety; as, eyes devout; sighs devout; a devout posture.

Warmly devoted; hearty; sincere; earnest; as, devout wishes for one's welfare.

A devotional composition, or part of a composition; devotion.

Latin devotus, devoted -- very religious or pious; showing reverence; earnest, sincere, or heartfelt in faith to one's religion or convictions. ("Pious" suggests scrupulous adherence but may connote hypocrisy. "Religious" stresses constant devotion to religious tenets. "Sanctimonious" implies smugness or haughtiness.)

devoutly religious; "a god-fearing and law-abiding people" H.L.Mencken

earnest; "one's dearest wish"; "devout wishes for their success"; "heartfelt condolences"