devout – 1. believing strongly in a religion and obeying all its rules or principles; deeply religious 2. totally committed to a cause or belief

(Pronounced dih-vout)

To remember the definition of the word devout, use the following mnemonic:

He devotes time throughout (devout) the day to pray, as he's deeply religious, but his friend is committed to the belief that the religion doesn't exist. 

Examples of devout in a sentence (1. believing strongly in a religion and obeying all its rules or principles; deeply religious)

Her father was a devout Catholic. 

The devout monk took a vow of silence. 

The devout Christian tried to convert him.

Examples of devout in a sentence (2. totally committed to a cause or belief)

She was a devout believer in the charity's cause. 

They were devout members of the rebellion. 

He needed a devout team to have any chance of winning.