00More optionsShareSaveReportVideo vocabularyNo vocabulary matches your filtersinaudibleUS /ɪnˈɔdəbəl/・UK /ɪnˈɔ:dəbl/AdjectiveImpossible to hear; imperceptible by the earB2More speakerUS /ˈspikɚ/・UK /'spi:kə(r)/Noun (Countable/Uncountable)Electronic device for making or broadcasting soundPerson who makes a speech before a groupA1More Use EnergyUnlock All VocabularyUnlock pronunciation, explanations, and filtersUnlock