I.
See main entry: ↑ Pentecostal
II. Pen ‧ te ‧ cos ‧ tal /ˌpentɪˈkɒstl◂ $ -ˈkɒːs-, -ˈkɑːs-/ BrE AmE ( also Pentecostalist ) adjective
relating to a group of Christian churches that believe in the Holy Spirit’s power, such as the power to cure diseases
—Pentecostalist noun [countable]