devout
adjectiveUK /dɪˈvaʊt/
US /dɪˈvaʊt/
Very serious about believing in and praying to a god.
She is a devout woman who prays every morning.
OTHER MEANINGS
2. Showing strong love or loyalty to a person or cause.
He is a devout fan of his hometown team.
3. Sincere and deeply felt.
She made a devout wish for her friend's health.
4. Earnest in following a practice or habit.
My grandfather is a devout walker, rain or shine.