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English definition of “tough”

tough

adjective (VIOLENT)    /tʌf/
likely to be violent or to contain violence ; not kind or pleasant : a tough neighbourhood Many of the country's toughest criminals are held in this prison .Violent or aggressiveUnkind, cruel and unfeelingTreating people or animals badly toughly     /ˈtʌf.li/ adverb These boots are very toughly (= strongly ) made. The newspaper published a toughly worded article about racist behaviour . We live in a toughly competitive world .Physically strong and powerful toughness     /ˈtʌf.nəs/ C2 She has a reputation for toughness (= being strong and determined ). They can't face the toughness of the competition .ComplexityDifficult to understandPower and intensityEnergy, force and power
(Definition of tough adjective (VIOLENT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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