00More optionsShareSaveReportVideo vocabularyNo vocabulary matches your filtersstuffUS /stʌf/・UK /stʌf/Uncountable NounGeneric description for things, materials, objectsTransitive VerbTo push material inside something, with forceB1More episodeUS /ˈɛpɪˌsod/・UK /'epɪsəʊd/NounOne separate event in a series of eventsShow which is part of a larger storyB1TOEICMore insaneUS /ɪnˈsen/・UK /ɪnˈseɪn/AdjectiveMentally ill; crazyBeing crazy or stupidB2More imitateUS /ˈɪmɪˌtet/・UK /ˈɪmɪteɪt/Transitive VerbTo act, speak like someone or something elseB2More Use EnergyUnlock All VocabularyUnlock pronunciation, explanations, and filtersUnlock