00More optionsShareSaveReportVideo vocabularyNo vocabulary matches your filtersinsaneUS /ɪnˈsen/・UK /ɪnˈseɪn/AdjectiveMentally ill; crazyBeing crazy or stupidB2More notionUS /ˈnoʃən/・UK /ˈnəuʃən/NounSudden idea or desire to do somethingB1TOEICMore encourageUS /ɛnˈkɚrɪdʒ, -ˈkʌr-/・UK /ɪn'kʌrɪdʒ/Transitive VerbTo increase the chance of something happeningTo make someone more determined or confidentA2TOEICMore desperatelyUS /ˈdɛspərɪtlɪ/・UK /'despərətlɪ/AdverbIn a way that shows you don't have much hopeIn a way that shows despair.A2More Use EnergyUnlock All VocabularyUnlock pronunciation, explanations, and filtersUnlock