B2strong; not easily broken or made weaker or defeated: These toys are made from tough plastic.Children's shoes need to be tough.You have to be tough to be successful in politics.informalTheir lawyer is a real tough customer/nut(= person).Physically strong and powerfulC2strong and determined: Tough new safety standards have been introduced for cars.There have been calls for tougher controls/restrictions on what newspapers are allowed to print.After some tough bargaining, we finally agreed on a deal.I think it's time the police got tougher on/with(= treated more severely) people who drink and drive.The government is continuing to take a tough line on terrorism.Strong-willedtoughly
/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 powerfultoughness
/ˈtʌf.nəs/C2She 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
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