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toughen
verb [I] (GET DIFFICULT) /ˈtʌf.ən/Definition
(Definition of toughen verb (GET DIFFICULT) from the Cambridge Advanced Learner's Dictionary & Thesaurus
© Cambridge University Press)
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SMART Thesaurus: Complicated and difficult to do
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
- touchy adjective
- tough adjective (DIFFICULT)
- tricky adjective (DIFFICULT)
- unresolved adjective
- unsolved adjective
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