1 thorough | Definition of thorough

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

Former colleagues and those who have appeared before Sinnott describe him as a bright, thorough jurist. Shelley Murphy, BostonGlobe.com, "Judge at center of Straight Pride drama viewed as tough jurist with a well-known name," 5 Sep. 2019 As these are contact products, insects not hit directly with the insecticide, soap or oil spray will probably survive, so thorough coverage is essential. Tim Johnson, chicagotribune.com, "Lumpy infestation on magnolia tree is likely scale," 30 Aug. 2019 On a dry fall day, get outside and remove all leaves, twigs, and grass clippings from your outdoor unit—a garden hose can help provide a thorough rinsing, removing animal droppings, bugs, dust, and dirt. Graham Hiemstra, Popular Mechanics, "How to Get Your HVAC System Ready for Winter," 29 Aug. 2019 The investigation into the Mavericks’ workplace culture appeared credible and thorough. Michael Mccann, SI.com, "Examining Every Aspect of the Luke Walton Investigation and Considering Next Steps," 27 Aug. 2019 Carriers promised to communicate with state attorneys general about robocall trends and cooperate in investigations by making prompt and thorough responses to traceback requests from law enforcement. Jon Brodkin, Ars Technica, "US phone carriers make empty, unenforceable promises to fight robocalls," 23 Aug. 2019 Send your photos with them and give a thorough explanation. Neil Sperry, ExpressNews.com, "13-year-old mesquite dying from too much water," 23 Aug. 2019 Examples include requiring thorough assessments of children within 30 days of the state taking custody and hiring enough child welfare caseworkers to limit caseloads to 15 children. Hillary Borrud | The Oregonian/oregonlive, oregonlive.com, "Oregon officials want to seal off much of federal child welfare lawsuit from public view," 22 Aug. 2019 For its thorough reexamination, the series has drawn praise from political pundits, scholars, and even 2020 candidate Kamala Harris. J. Brian Charles, Vox, "What the conservative critics of the New York Times’s 1619 Project miss.," 18 Aug. 2019

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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More Definitions for thorough

thorough

adjective