00More optionsShareSaveReportVideo vocabularyNo vocabulary matches your filtersinsaneUS /ɪnˈsen/・UK /ɪnˈseɪn/AdjectiveMentally ill; crazyBeing crazy or stupidB2More grabUS /ɡræb/・UK /ɡræb/Transitive VerbTo take and hold something quicklyA2More admitUS /ædˈmɪt/・UK /əd'mɪt/Transitive VerbTo acknowledge that something is true or rightTo allow someone to enterA2TOEICMore alertUS /əˈlɚt/・UK /ə'lɜ:t/AdjectiveBeing aware and able to respond quicklyTransitive VerbTo warn someone so they can respond to itB1TOEICMore Use EnergyUnlock All VocabularyUnlock pronunciation, explanations, and filtersUnlock