1
: the doctrine that the second coming of Christ and the end of the world are near at hand
2
: the principles and practices of Seventh-Day Adventists
Adventist adjective or noun

Adventist

2 of 3

noun (2)

Ad·​vent·​ist əd-ˈven-tist How to pronounce Adventist (audio)
ad-
ˈad-ˌven-
plural -s
: a believer in the doctrine of Adventism : a member of any of various religious bodies emphasizing this doctrine

called also Second Adventist

: of or relating to the Adventists or Adventism

Examples of Adventism in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Also the Fifth Monarchy of 1666, the Seventh-Day Adventism of 1843 and the Y2K mania. Michael Taylor, San Antonio Express-News, 1 Dec. 2021 After 150 years, Seventh-day Adventism is now one of the largest Christian denominations on the planet, after all. Phil Plait, Discover Magazine, 20 May 2011

Word History

Etymology

Noun (1)

advent + -ism

Noun (2)

advent + -ist entry 1

First Known Use

Noun (1)

1874, in the meaning defined at sense 1

Noun (2)

1843, in the meaning defined above

Adjective

1844, in the meaning defined above

Time Traveler
The first known use of Adventism was in 1843

Browse Nearby Words

Cite this Entry

“Adventism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Adventism. Accessed 31 Jul. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster