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

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 South Africa’s national police commissioner condemned the killing of Colonel Bruwer, and promised a thorough investigation. Iliana Magra, New York Times, "A Detective Pursued Rhino Poachers. Now He’s Dead.," 19 Mar. 2020 After an outbreak on a cruise ship in 2002, the next group of passengers got sick more than a week later after a thorough cleaning of the ship. Joseph Eisenberg, The Conversation, "Viruses live on doorknobs and phones and can get you sick – smart cleaning and good habits can help protect you," 17 Mar. 2020 The statement goes on to say the university plans thorough, independent investigations into allegations and will provide a full public accounting. David Jesse, Detroit Free Press, "Free counseling offered to accusers in high-profile U-M sex assault cases," 25 Feb. 2020 After a thorough investigation, consequences were administered which resulted in the immediate conclusion of the cheerleading season for this school year. Mark Heim | Mheim@al.com, al, "Watch Illinois cheerleading squads brawl, both suspended for year," 10 Feb. 2020 Yet at the emotionally charged first screening of On the Record at Sundance — with many of the doc's subjects in attendance — what the audience saw and reacted to was a thorough and richly contextualized piece of journalism. TheWeek, "reckons with the streaming revolution," 7 Feb. 2020 After a thorough investigation, the Boone County Sheriff's Office determined that the allegation was false. Madeline Mitchell, Cincinnati.com, "Boone County Sheriff: Woman charged after faking son's near-abduction on social media," 5 Feb. 2020 Strand’s lawsuit also argues that in promising a thorough background check of all drivers, Uber grossly misrepresented the safety of its product. Sidney Fussell, The Atlantic, "‘We’ve Got an Uber Driver Who’s Got a Gun’," 30 Jan. 2020 After a thorough investigation into the allegation, Judge McDonald ruled that there was no proof that the jury's behaviour created a risk significant enough to create prejudice against Maraj. Ineye Komonibo, refinery29.com, "Nicki Minaj’s Brother Sentenced To 25 Years To Life In Prison For Child Sex Assault," 28 Jan. 2020

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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Time Traveler for thorough

Time Traveler

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

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Statistics for thorough

Last Updated

24 Mar 2020

Cite this Entry

“Thorough.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thorough. Accessed 1 Apr. 2020.

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More Definitions for thorough

thorough

adjective
How to pronounce thorough (audio)

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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Comments on thorough

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