thorough Meaning in the Cambridge English Dictionary
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Meaning of “thorough” in the English Dictionary

"thorough" in British English

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uk   /ˈθʌr.ə/  us   /ˈθɝː-/ /-oʊ/

thorough adjective (CAREFUL)

B2 detailed and ​careful: a thorough ​revision of the ​manuscript They did a thorough ​search of the ​area but ​found nothing.
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thorough adjective (COMPLETE)

complete, very ​great, or very much: It was a thorough ​waste of ​time.
noun [U] uk   us   /-nəs/
You can rely on the thoroughness of his ​research.
(Definition of thorough from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"thorough" in American English

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 us   /ˈθɜr·oʊ, ˈθʌr-/

thorough adjective (COMPLETE)

with nothing ​left out or ​omitted; ​complete: The ​district attorney’s ​officeconducted a thorough ​investigation. The ​doctor gave him a thorough ​medicalexamination.

thorough adjective (VERY GREAT)

[not gradable] (used for ​emphasis) very ​great: The ​meeting was a thorough ​waste of ​time.
(Definition of thorough from the Cambridge Academic Content Dictionary © Cambridge University Press)
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