Dictionary.com

thorough

[ thur-oh, thuhr-oh ]
/ ˈθɜr oʊ, ˈθʌr oʊ /
Save This Word!
See synonyms for: thorough / thoroughly / thoroughness on Thesaurus.com

adjective
adverb, preposition
Archaic. through.
noun
(initial capital letter)English History. the administrative policies of the Earl of Stafford and Archbishop Laud during the reign of Charles I: so called because they were uncompromisingly carried out.
QUIZ
SPRINT TO THE FINISH WITH THIS OLYMPICS QUIZ!
Compete in our Olympics quiz to see if you can take home the gold medal in Olympics knowledge.
Question 1 of 10
Where was the Olympics first held?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of thorough

before 900; Middle English (preposition and adv.); Old English thuruh, variant of thurhthrough

OTHER WORDS FROM thorough

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use thorough in a sentence

British Dictionary definitions for thorough (1 of 2)

thorough
/ (ˈθʌrə) /

adjective
carried out completely and carefullya thorough search
(prenominal) uttera thorough bore
painstakingly carefulmy work is thorough

Derived forms of thorough

thoroughly, adverbthoroughness, noun

Word Origin for thorough

Old English thurh; related to Old Frisian thruch, Old Saxon thuru, Old High German duruh; see through

British Dictionary definitions for thorough (2 of 2)

Thorough
/ (ˈθʌrə) /

noun
thoroughgoing policy, as adopted in England by Strafford and Laud during the reign of Charles I
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
FEEDBACK