Added 10 October 2026 pentecostal noun Categories: PeopleRare Words noun ! Definition from WordNet 3.1, Princeton University. More about pentecostal at Wordnik → Where our words come from → Any member of a Pentecostal religious body. adjective Of or relating to or characteristic of any of various Pentecostal religious bodies or their members. Of or relating to or occurring at Pentecost. Related Words: holinessfivepentationalpentacularpentadicpentosaceousantecostalpanentheisticpentonalpaschalcharismaticpontifical Back to today's word