1

thorough

play
adjective thor·ough \ˈthər-(ˌ)ō, sometimes ˈthȯr-; ˈthə-(ˌ)rō\

Definition of thorough

  1. 1 :  carried through to completion :  exhaustive a thorough search

  2. 2a :  marked by full detail a thorough descriptionb :  careful about detail :  painstaking a thorough scholarc :  complete in all respects thorough pleasured :  having full mastery (as of an art) a thorough musician

thoroughly

adverb

thoroughness

noun

Examples of thorough in a Sentence

  1. … 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

  2. 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

  3. The job was uncharacteristically thorough for a Russian contract killing—three different types of bullets riddled Mikho's body. —New Republic, 15 Dec. 1997

  4. … as I look into their black faces, their hope is so thorough and consuming it frightens me. —Bob Shacochis, Harper's, February 1995

Recent Examples of thorough from the Web

These example sentences are collected from online sources. Help us improve them by sending feedback.

Origin and Etymology of thorough

see 2thorough


First Known Use: 15th century


2

thorough

preposition thor·ough

Definition of thorough

archaic

  1. :  through

Origin and Etymology of thorough

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


First Known Use: before 12th century


3

thorough

adverb thor·ough

Definition of thorough

archaic

  1. :  through

Examples of thorough in a Sentence

  1. a thorough understanding of the rules and regulations

  2. The investigator will have to be thorough.

Origin and Etymology of thorough

see 2thorough


First Known Use: before 12th century


THOROUGH Defined for English Language Learners

3

thorough

adverb thor·ough

Definition of thorough for English Language Learners

  • : including every possible part or detail

  • : careful about doing something in an accurate and exact way

  • : complete or absolute


THOROUGH Defined for Kids

thorough

play
adjective thor·ough \ˈthər-ō\

Definition of thorough for Students

  1. 1 :  being such to the fullest degree :  complete a thorough search

  2. 2 :  careful about little things a thorough worker

thoroughly

adverb

thoroughness

noun


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

a weapon for destroying ships

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • young-people-being-filmed-during-a-spelling-bee
  • Which is the correct spelling of the winning word from 1988?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

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

TAKE THE QUIZ

Love words? Need even more definitions?

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