00More optionsShareSaveReportVideo vocabularyNo vocabulary matches your filterstoughUS /tʌf/・UK /tʌf/Adjective(Of food) difficult to chew or bite throughVery difficult to do or deal withNounA rough and aggressive person.A2More insaneUS /ɪnˈsen/・UK /ɪnˈseɪn/AdjectiveMentally ill; crazyBeing crazy or stupidB2More vastUS /væst/・UK /vɑ:st/AdjectiveBeing very large in size or amountA2TOEICMore desperateUS /ˈdɛspərɪt/・UK /ˈdespərət/AdjectiveBeing beyond hope; prepared to do anythingState of urgently wanting to go to the toiletA2More Use EnergyUnlock All VocabularyUnlock pronunciation, explanations, and filtersUnlock