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tri·​une ˈtrī-ˌyün How to pronounce triune (audio)
often capitalized


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: three in one:
: of or relating to the Trinity
the triune God
: consisting of three parts, members, or aspects

Example Sentences

Recent Examples on the Web
But good luck with that against Brady, head of a New England triune quarterback panel that has not thrown an interception in its first 249 throws of the season. David White, New York Times, 11 Nov. 2016
The new answer from Tosches’ team doesn’t mean that the neocortex in mammals evolved to sit neatly atop older brain regions, as the triune brain theory proposed. Quanta Magazine, 14 Feb. 2023 In the mid-1900s, Paul MacLean, a neuroscientist at Yale and then the National Institute of Mental Health, began developing the triune brain hypothesis. Hannah Thomasy, New York Times, 24 Oct. 2022 Thus, the triple bottom line is upending the pyramid, replacing it with a triune obligation toward profits, people and the planet. Jeffrey Bartel, Forbes, 27 June 2022 Our triune brain gives us a superb piece of hardware that no other living species on Earth has. Luis E. Romero, Forbes, 25 Feb. 2021 To my faith in the triune God when I was confirmed ... Adam Geller, Star Tribune, 10 Jan. 2021 Taylor is the lone woman in a triune tragedy that has sparked outrage across the nation and the globe. NBC News, 8 June 2020 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'triune.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History



Latin tri- + unus one — more at one

First Known Use


1605, in the meaning defined above


1632, in the meaning defined above

Time Traveler
The first known use of triune was in 1605

Dictionary Entries Near triune

Cite this Entry

“Triune.” Dictionary, Merriam-Webster, Accessed 26 Mar. 2023.

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