adjective🔗ShareImpossible to fathom or understand."The sheer numbers they attacked with were unfathomable."mindphilosophyabstractChat with AIVocabulary GamePractice Reading
adjective🔗ShareDifficult to penetrate."The toddler's tantrum seemed completely unfathomable to his parents; they couldn't understand what he wanted at all. "mindphilosophyabstractChat with AIVocabulary GamePractice Reading
