Thorough Definition
thûrō, thŭrō
adjective
Exhaustively complete.
A thorough search.
American Heritage
Passing through.
Thoroughfare.
Webster's New World
Done or proceeding through to the end; omitting nothing; complete.
A thorough checkup.
Webster's New World
Very exact, accurate, or painstaking, esp. with regard to details.
A thorough researcher.
Webster's New World
That is completely (the thing specified); out-and-out; absolute.
A thorough rascal.
Webster's New World
Synonyms:
noun
The ruthlessly thoroughgoing administrative policies carried out by William Laud and the Earl of Strafford during the reign of Charles I.
Webster's New World
Other Word Forms of Thorough
Noun
Singular:
thorough
Plural:
thoroughsOrigin of Thorough
-
Middle English thorow through, thorough from Old English thuruh from end to end, through terə-2 in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
A disyllabic form of Old English þurh (“through").
From Wiktionary
Old English þuruh.
From Wiktionary
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