The question of how the Pentecostal movement is to be adequately defined and delimited has remained unresolved and contested (Anderson et al. 2010). The debate may have ebbed away somewhat in recent years, but increasing scholarly attention to global Pentecostalism makes the problem even more virulent. Current academic research on global Pentecostalism tends to favour a broad and vague understanding of its subject matter. At first glance, such an all-inclusive definition seems to be attractive to scholars as it avoids acrimonious bat…