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

"rigorous" in British English

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rigorousadjective

uk   /ˈrɪɡ.ər.əs/  us   /-ɚ-/

rigorous adjective (CAREFUL)

approving careful to ​look at or ​consider every ​part of something to make ​certain it is ​correct or ​safe: rigorous ​testing/​checking/​methods

rigorous adjective (SEVERE)

controllingbehaviour in a ​severe way: the rigorous ​controlsgoverning the ​sale of ​shares
rigorously
adverb uk   us   /-li/
(Definition of rigorous from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"rigorous" in American English

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rigorousadjective

 us   /ˈrɪɡ·ər·əs/
severe or ​difficult, esp. because at a high ​level: rigorous ​standards of ​accuracy The Manhattan ​district attorney’s ​office had a ​pretty rigorous ​trainingprogram.
(Definition of rigorous from the Cambridge Academic Content Dictionary © Cambridge University Press)

"rigorous" in Business English

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rigorousadjective

uk   us   /ˈrɪɡərəs/
detailed and careful: I want rigorousfinancial analysis of the ​options. The ​selectionprocess is extremely rigorous.
strict or severe: A rigorous ​monetary and ​fiscalpolicy should encourage ​efficiency. Refrigeration of ​food, ​improvedhygiene and rigorous ​standards in the ​foodindustry prevent gastro-intestinal infections.
(Definition of rigorous from the Cambridge Business English Dictionary © Cambridge University Press)
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