A modern dictionary of Catholic terms, both common and obscure. Find accurate definitions of words and phrases.
One who does not believe. Formerly applied to all non-Christians, the term is now used only of unbelievers, i.e., professed atheists or agnostics. (Etym. Latin in-, not + fidelis, true, faithful: infidelis, one that cannot be relied upon, faithless.)
All items in this dictionary are from Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.