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

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 The book became a New Age treatise on mindfulness and positivity. Scottie Andrew, CNN, "Baba Ram Dass, psychedelic pioneer and New Age guru, is dead at 88," 23 Dec. 2019 The newspaper also cited a treatise on jury selection written in the 1960s and credited to a Dallas County assistant district attorney. Washington Post, "Diversity of jury seen as key factor in officer’s conviction," 4 Oct. 2019 Underneath the hood of the muscle car madness is a surprisingly radical treatise on the corporate exploitation of human labor. Tribune News Service, cleveland, "‘Ford v Ferrari’ takes muscle car madness on a thrill ride (review)," 13 Nov. 2019 From his treatise on education, Rousseau writes: The indifference of children towards meat is one proof that the taste for meat is unnatural; their preference is for vegetable foods, such as milk, pastry, fruit, etc. Alison Fishburn, Longreads, "Eating What Feels Right: On Going Vegetarian," 23 Oct. 2019 This incident embarrassed witch-hunters greatly, and that same year, partly to justify the recent trials, King James published his treatise, Daemonologie. National Geographic, "A royal obsession with black magic started Europe's most brutal witch hunts," 16 Oct. 2019 How could this treatise on 200 years of Black foodways published in the year 2019 feel so rigid, so quiet? Jesse Sparks, Bon Appétit, "Jubilee Is the Celebration of Black Cooking I Didn’t Expect to Love So Deeply," 6 Nov. 2019 The book was created as not a stodgy treatise written in the English of the past for academics who might see it as some kind of relic. Mara Katz, Ars Technica, "Because Internet makes a linguist’s case for l33t speak, other online-text fads," 2 Nov. 2019 The film is both a charmingly earnest comedy and a deeply knowing treatise on the entertainment industry and the evolving roles of women in culture. Mark Olsen,, "Indie Focus: backstage comedy in 'Late Night'," 7 June 2019

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.

See More

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

Keep scrolling for more

Learn More about treatise

Time Traveler for treatise

Time Traveler

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

See more words from the same century

Statistics for treatise

Last Updated

6 Jan 2020

Cite this Entry

“Treatise.” The Dictionary, Merriam-Webster Inc., Accessed 20 January 2020.

Keep scrolling for more

More Definitions for treatise


How to pronounce treatise (audio)

English Language Learners Definition of treatise

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

Keep scrolling for more

Comments on treatise

What made you want to look up treatise? Please tell us where you read or heard it (including the quote, if possible).


not to be intimidated or subdued

Get Word of the Day daily email!

Test Your Vocabulary

The Eponym Quiz

  • rubens painting
  • Which is the best synonym of bowdlerize?
Spell It

Can you spell these 10 commonly misspelled words?


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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