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 effortUS /ˈɛfət/・UK /ˈefət/Uncountable NounAmount of work used trying to do somethingA conscious exertion of power; a try.A2TOEICMore simplyUS /ˈsɪmpli/・UK /ˈsɪmpli/AdverbIn an easy or clear mannerA1More idiomUS /ˈɪdiəm/・UK /ˈɪdiəm/NounPhrase with a special, metaphoric meaningB2More Use EnergyUnlock All VocabularyUnlock pronunciation, explanations, and filtersUnlock