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English definition of “tough”

tough

adjective (FOOD)    /tʌf/
B2 describes food that is difficult to cut or eat: This steak is very tough. These apples have tough skins.Not pleasant to eat or drink 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 (FOOD) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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