00More optionsShareSaveReportVideo vocabularyNo vocabulary matches your filtersstuffUS /stʌf/・UK /stʌf/Uncountable NounGeneric description for things, materials, objectsTransitive VerbTo push material inside something, with forceB1More anxietyUS /æŋˈzaɪɪti/・UK /æŋ'zaɪətɪ/Uncountable NounFear about what might happen; worryB1More ridiculousUS /rɪˈdɪkjələs/・UK /rɪˈdɪkjələs/AdjectiveFunny or foolish; deserving to be laughed atA2More insaneUS /ɪnˈsen/・UK /ɪnˈseɪn/AdjectiveMentally ill; crazyBeing crazy or stupidB2More Use EnergyUnlock All VocabularyUnlock pronunciation, explanations, and filtersUnlock