"Unchurched" or "The Unchurched" or "unchurched people" according to Barna Group, is defined as, "an adult (18 or older) who has not attended a Christian church service within the past six months" excluding special services such as Easter, Christmas, weddings or funerals.http://www.barna.org/FlexPage.aspx?Page=Topic&TopicID=38 Barna.org research archive about the unchurched