trea·​tise | \ ˈtrē-təs How to pronounce treatise (audio) also -təz \

Definition of treatise

1 : a systematic exposition or argument in writing including a methodical discussion of the facts and principles involved and conclusions reached a treatise on higher education
2 obsolete : account, tale

Examples of treatise in a Sentence

Recent Examples on the Web Organizers distributed a treatise calling for the abolition of police and the police union and the recall of Wheeler while listing some people killed in shootings by Portland police over the last two decades. oregonlive, "Portland protesters marched, cleaned windows and left the Pearl District this time with no clashes," 21 Mar. 2021 The Roman historian Tacitus’ treatise on Germania credited the dense, mysterious forests of the ancient Teutons with keeping Roman legions at bay. Sigrid Macrae, Harper's Magazine, "Two Germanys," 16 Mar. 2021 In this treatise, the Pope based the colors' symbolism on interpretations of colors and flowers from the Song of Solomon in the Old Testament. Madison Alcedo, Country Living, "Easter Colors Have a Lot of Tradition Behind Them—Here's What to Know," 24 Feb. 2021 Its president Brad Smith posted a long treatise in praise of the importance of public interest journalism. Robert Whitehead, Time, "How Australia May Have Just Saved Journalism From Big Tech," 22 Feb. 2021 In The Disappearing City, Wright’s 1932 treatise on his ideal metropolis, the architect tried to immolate the concept of the industrial city on a pyre of adjectives. Richard Cooke, The New Republic, "The Perpetual Disappointment of Remote Work," 4 Jan. 2021 At a time where so much pop culture looks myopically backward, Remake is a treatise on letting the past die to be reborn. Ars Staff, Ars Technica, "Ars Technica’s best games of 2020," 22 Dec. 2020 This is an especially urgent and cogent treatise during this COVID-19 pandemic; a concise guide to transformation and empowerment. John J. Kelly, Detroit Free Press, "Holiday gift guide 2020: The best books bring comfort and joy," 7 Dec. 2020 As Michael Howard’s brilliant treatise War and the Liberal Conscience shows, liberal societies such as ours want to believe that the last attack or the last war was . . . John Hillen, National Review, "How to Remember Pearl Harbor Day," 7 Dec. 2020

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

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First Known Use of treatise

14th century, in the meaning defined at sense 1

History and Etymology for treatise

Middle English tretis, from Anglo-French tretiz, alteration of tretez, traitet, from Medieval Latin tractatus, from Latin tractare to treat, handle

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Time Traveler for treatise

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The first known use of treatise was in the 14th century

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Statistics for treatise

Last Updated

23 Mar 2021

Cite this Entry

“Treatise.” Dictionary, Merriam-Webster, Accessed 15 Apr. 2021.

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English Language Learners Definition of treatise

: a book, article, etc., that discusses a subject carefully and thoroughly

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