thorough

adjective
thor·​ough | \ ˈthər-(ˌ)ō How to pronounce thorough (audio) , sometimes ˈthȯr-; ˈthə-(ˌ)rō\

Definition of thorough

 (Entry 1 of 3)

1 : carried through to completion : exhaustive a thorough search
2a : marked by full detail a thorough description
b : careful about detail : painstaking a thorough scholar
c : complete in all respects thorough pleasure
d : having full mastery (as of an art) a thorough musician

thorough

preposition

Definition of thorough (Entry 2 of 3)

archaic

thorough

adverb

Definition of thorough (Entry 3 of 3)

archaic

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Other Words from thorough

Adjective

thoroughly adverb
thoroughness noun

Examples of thorough in a Sentence

Adjective

… one realized that it was the restaurant's thorough and even comic Frenchness that had made it so entirely New York. — Adam Gopnik, New Yorker, 22 Mar. 2004 Bruce tells me to squat down and Koani sidles up, ears flattened, tail tucked away, and gives my face a thorough licking. — Nicholas Evans, Daily Telegraph, 26 Sept. 1998 The job was uncharacteristically thorough for a Russian contract killing—three different types of bullets riddled Mikho's body. New Republic, 15 Dec. 1997 a thorough understanding of the rules and regulations The investigator will have to be thorough.
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Recent Examples on the Web: Adjective

In the article, Wolf says a lot of the media coverage around Huawei's export ban hasn't been thorough enough, as it hasn't taken into account the full scope of US export law. Ron Amadeo, Ars Technica, "Huawei’s export ban is wider in scope than most people imagine," 10 June 2019 Their proposals are highly detailed and thorough, often running to dozens of pages in length. Catherine Rampell, The Denver Post, "Rampell: Everyone’s got a climate plan, but where’s the carbon tax?," 9 June 2019 Use a hidden device detector If a physical search isn't thorough enough, try using a hidden device detector. Micah Walker, Detroit Free Press, "Hidden cameras: How to find them in a bathroom, bedroom," 7 June 2019 The censorship will be so thorough that Chinese people won’t even be able to send a text message that contains any one of the numbers eight, nine, six, and four. Helen Raleigh, National Review, "Thirty Years after Tiananmen, China Is Still Unwilling to Tell the Truth," 4 June 2019 Dina said her husband is very thorough and honest in his reviews, sometimes going back to update them after discovering something new about a product. Kim Hyatt, Twin Cities, "Meet the small-town North Dakota man who is Amazon’s No. 1 reviewer. He gets a lot of ‘free’ stuff.," 3 June 2019 And federal authorities have been dispatched to support state and local police and conduct a full and thorough federal investigation. Alex Ward, Vox, "Trump calls the Pittsburgh shooting “anti-Semitic” and a “wicked act of mass murder”," 27 Oct. 2018 After a thorough and months-long application process, the nearly 2,900 applications from female founders in more than 140 countries were whittled down to 21 finalists. Danielle Mcnally, Marie Claire, "Cartier’s Women’s Initiative Award Winners Prove Women Will Change the World," 5 May 2019 The state also ordered Milwaukee officials to review all 491 lead-poisoning cases reported to the city from 2012 to 2017 to make sure the children received nursing care and thorough inspections and removal of lead hazards from their houses. Daniel Bice, Milwaukee Journal Sentinel, "Protecting Milwaukee's children: What we know about the latest problems with the city's lead poisoning prevention efforts," 31 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thorough.' 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 thorough

Adjective

15th century, in the meaning defined at sense 1

Preposition

before the 12th century, in the meaning defined above

Adverb

before the 12th century, in the meaning defined above

History and Etymology for thorough

Preposition, Adjective, and Adverb

Middle English thorow, from Old English thurh, thuruh, preposition & adverb

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Statistics for thorough

Last Updated

17 Jun 2019

Look-up Popularity

Time Traveler for thorough

The first known use of thorough was before the 12th century

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More Definitions for thorough

thorough

adjective

English Language Learners Definition of thorough

: including every possible part or detail
: careful about doing something in an accurate and exact way
chiefly British : complete or absolute

thorough

adjective
thor·​ough | \ ˈthər-ō How to pronounce thorough (audio) \

Kids Definition of thorough

1 : being such to the fullest degree : complete a thorough search
2 : careful about little things a thorough worker

Other Words from thorough

thoroughly adverb
thoroughness noun

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More from Merriam-Webster on thorough

Rhyming Dictionary: Words that rhyme with thorough

Thesaurus: All synonyms and antonyms for thorough

Spanish Central: Translation of thorough

Nglish: Translation of thorough for Spanish Speakers

Britannica English: Translation of thorough for Arabic Speakers

Comments on thorough

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