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adjectivemaking great mental demands; hard to comprehend or solve or believe
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adjectivevery difficult; severely testing stamina or resolution
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nounsomeone who learned to fight in the streets rather than being formally trained in the sport of boxing
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adjectiveunfortunate or hard to bear
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adjectiveviolent and lawless
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adjectivephysically toughenedOpposite:
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nounan aggressive and violent young criminaltype of:
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nouna cruel and brutal fellow
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adjectivesubstantially made or constructed
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adjectivefeeling physical discomfort or pain (`tough' is occasionally used colloquially for `bad')
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adjectivenot given to gentleness or sentimentalityOpposite:
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adjectiveresistant to cutting or chewing
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