thorough

[ thur-oh, thuhr-oh ]
/ ˈθɜr oʊ, ˈθʌr oʊ /
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.

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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

Example sentences from the Web for thorough

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