00More optionsShareSaveReportVideo vocabularyNo vocabulary matches your filtersobviousUS /ˈɑbviəs/・UK /ˈɒbviəs/AdjectiveEasily understood and clear; plain to seeEasy to see or notice.A2TOEICMore toughUS /tʌf/・UK /tʌf/Adjective(Of food) difficult to chew or bite throughVery difficult to do or deal withNounA rough and aggressive person.A2More insaneUS /ɪnˈsen/・UK /ɪnˈseɪn/AdjectiveMentally ill; crazyBeing crazy or stupidB2More similarUS /ˈsɪməlɚ/・UK /ˈsɪmələ(r)/AdjectiveNearly the same; alikeA1TOEICMore Use EnergyUnlock All VocabularyUnlock pronunciation, explanations, and filtersUnlock