Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: Religioninfidelin‧fi‧del /ˈɪnfədəl/ noun [countable] literary not polite RRan offensive word for someone who has a different religion from youOrigin infidel (1400-1500) French infidèle, from Latin, from fidelis “faithful” ldoceonline.com
