The word pious is an adjective. It can mean being devoted to one particular religion, to deserve commendation or to falsely appear to be moral or good. Its first known use occurred in the 15th century. It originated from the Latin word "pius."
A sample sentence of pious used to denote hypocrisy or false morality is: "There are too many people making pious statements about wanting to help the less fortunate." Pious rhymes with bias.Learn more about Literature