UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈædvɛntɪst/US:USA pronunciation: respellingUSA pronunciation: respelling(adven tist, ad ven-)

WordReference Random House Unabridged Dictionary of American English © 2020
Ad•vent•ist  (adven tist, ad ven-),USA pronunciation n. 
  1. Also called  Second Adventist. a member of any of certain Christian denominations that maintain that the Second Advent of Christ is imminent.

  1. of or pertaining to Adventists.
Advent•ism, n. 
  • Advent + -ist 1835–45

Collins Concise English Dictionary © HarperCollins Publishers::
Adventist /ˈædvɛntɪst ˈædvən-/ n
  1. a member of any of the Christian groups, such as the Seventh-Day Adventists that hold that the Second Coming of Christ is imminent
'Adventist' also found in these entries (note: many are not synonyms or translations):

Report an inappropriate ad.