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 mentalUS /ˈmɛntl/・UK /ˈmentl/AdjectiveConcerning the mindA2TOEICMore effortUS /ˈɛfət/・UK /ˈefət/Uncountable NounAmount of work used trying to do somethingA conscious exertion of power; a try.A2TOEICMore Use EnergyUnlock All VocabularyUnlock pronunciation, explanations, and filtersUnlock