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Synonyms

thoroughgoing

American  
[thur-oh-goh-ing, -uh-goh-, thuhr-] / ˈθɜr oʊˌgoʊ ɪŋ, -əˌgoʊ-, ˈθʌr- /

adjective

  1. doing things thoroughly.

  2. carried out to the full extent; thorough.

  3. complete; unqualified.

    a thoroughgoing knave.


thoroughgoing British  
/ ˈθʌrəˌɡəʊɪŋ /

adjective

  1. extremely thorough

  2. (usually prenominal) absolute; complete

    thoroughgoing incompetence

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of thoroughgoing

First recorded in 1810–20; thorough + going

Explanation

Anything thoroughgoing is comprehensive — it pays extremely careful attention to details. Your thoroughgoing research most likely involved endless hours of sifting through multiple sources. A thoroughgoing paint job will be neatly edged and precisely done, and a thoroughgoing government reform will involve a huge, involved overhaul of the system. This adjective has an old-fashioned sound these days, when thorough usually works just as well. Both words come from the Old English þuruh, "from end to end and side to side."

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Vocabulary lists containing thoroughgoing

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

“The Bloody Crossroads,” published in 1987, isn’t the kind of book you expect a journalist to write: a collection of perceptive, thoroughgoing literary essays on important writers from Henry Adams to Alexander Solzhenitsyn.

From The Wall Street Journal Dec. 26, 2025

At a deeper level, Obama explores his search for identity as a man of mixed race and split national heritage, as well as the thoroughgoing problems of racism in America.

From Washington Post Apr. 7, 2023

Rosalía, “Motomami” Another thoroughgoing work of pop scholarship, this one from a Spanish singer, songwriter and producer for whom cultural boundaries exert all the weight of ink on a mapmaker’s paper.

From Los Angeles Times Dec. 4, 2022

It’s a title that, in its thoroughgoing lack of self-awareness, matches this book’s contents.

From New York Times Aug. 17, 2022

And so his texts played a decisive role in legitimizing the new post-Kuhnian history of science because they were wrongly read as endorsing a thoroughgoing relativism.

From "The Invention of Science" by David Wootton

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