Definition of "devout"

a devout man, and one that feared God

1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], Acts 10:2

We must be constant and devout in the worship of our God.

a. 1729, John Rogers, The Difficulties of Obtaining Salvation

I first became aware of changing Hui-Han social dynamics in the village from a discussion with one of the Han villagers in Team 1. She explained: “Since 1979, we have had less and less social contact with the Hui in the other teams. There are no problems between us, but the Hui are more devout [qian-cheng] now and less willing to come to our homes and visit or borrow tools. We raise pigs in our yards and eat pork, so they are afraid it will influence their religion [yingxiang tamende jiaomen]."

2002, Dru C. Gladney, “Ethnoreligious Resurgence in a Northwestern Sufi Community”, in Susan D. Blum, Lionel M. Jensen, editors, China Off Center: Mapping the Margins of the Middle Kingdom‎, Honolulu: University of Hawaiʻi Press, page 109