This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. superlative form of devout: most devout.

"A man who never ventured one impious word or deed against the gods we worship, but whose whole language concerning them, and his every act, closely coincided, word for word, and deed for deed, with all we deem distinctive of devoutest piety."

devotes   

faithfullest    ideot    one-god    ennoble    laxer    stanchest    cultic    school-age    high-caste    mind-cure