thor·ough

[thur-oh, thuhr-oh]
adjective
1.
executed without negligence or omissions: a thorough search.
2.
complete; perfect; utter: thorough enjoyment.
3.
extremely attentive to accuracy and detail; painstaking: a thorough worker; a thorough analysis.
4.
having full command or mastery of an art, talent, etc.: a thorough actress.
5.
extending or passing through.
adverb, preposition
6.
Archaic. through.
00:10
Thorough is always a great word to know.
So is interrobang. Does it mean:
a chattering or flighty, light-headed person.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
noun
7.
( 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.

Origin:
before 900; Middle English (preposition and adv.); Old English thuruh, variant of thurh through

thor·ough·ly, adverb
thor·ough·ness, noun
qua·si-thor·ough, adjective
qua·si-thor·ough·ly, adverb
su·per·thor·ough, adjective
su·per·thor·ough·ly, adverb
su·per·thor·ough·ness, noun
un·thor·ough, adjective
un·thor·ough·ly, adverb
un·thor·ough·ness, noun


1. unqualified, total.


1. partial.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
thorough (ˈθʌrə) [Click for IPA pronunciation guide]
 
adj
1.  carried out completely and carefully: a thorough search
2.  (prenominal) utter: a thorough bore
3.  painstakingly careful: my work is thorough
 
[Old English thurh; related to Old Frisian thruch, Old Saxon thuru, Old High German duruh; see through]
 
'thoroughly
 
adv
 
'thoroughness
 
n

Thorough (ˈθʌrə) [Click for IPA pronunciation guide]
 
n
thoroughgoing policy, as adopted in England by Strafford and Laud during the reign of Charles I

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

thorough
late 15c., adj. use of O.E. þuruh (adv.) "from end to end, from side to side," stressed variant of þurh (adv., prep.); see through. Related: thoroughly (c.1300).
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Example sentences
Sad to see that this article wasn't nearly as thorough, and also that the
  online archive doesn't go back nearly that far.
Thorough scrutiny should reveal the true state of the books.
Still, it would be better for everyone to conduct thorough tests.
Despite a thorough investigation of the site, the cause of the catastrophe
  eluded everyone.
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