rigorous
adjective (SEVERE) /ˈrɪɡ.ər.əs/
/-ɚ-/ Definition
› controlling behaviour in a severe way: the rigorous controls governing the sale of sharesComplicated and difficult to doDifficult to understand rigorously /-li/ adverb
(Definition of rigorous adjective (SEVERE) from the Cambridge Advanced Learner's Dictionary & Thesaurus
© Cambridge University Press)
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Synonyms and related words:
- advanced adjective
- ambitious adjective
- arduous adjective
- as much as you can do idiom
- at a push idiom
- fiddly adjective
- fiendish adjective
- fierce adjective
- formidable adjective
- get blood out of/from a stone idiom
- obdurate adjective
- obstinate adjective
- onerous adjective
- painstaking adjective
- problematic adjective
- tough adjective (DIFFICULT)
- toughen verb (GET DIFFICULT)
- tricky adjective (DIFFICULT)
- unresolved adjective
- unsolved adjective
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