She's 'religious about' using her seatbelt [=she always uses her seatbelt] when she drives.
His wife is very active in the church, but he's not 'religious' himself.
My grandfather was a deeply 'religious' [='spiritual'] man.
(..) that you are not guilty- You have a bad leg? Oh, it's nothing. If you can prove you're not guilty, then I am in serious trouble. Because of the religious significance of the Pink Panther, it's imperative to the government that sooner or later... the thief be apprehended and the jewel returned. (..)1975 The Return of the Pink Panther
(..) Down there, please. Thank you. From the dynasty of Akbar the Magnificent, and for over a thousand years our nation's religious symbol, the Pink Panther. Largest and most famous diamond in the world. Irreplaceable. Its value cannot be estimated in terms of money. (..)1975 The Return of the Pink Panther