[{"Bold_text": "adjective", "List Items": ["incapable of being investigated, analyzed, or scrutinized; impenetrable.Synonyms: undiscoverable , inexplicable , incomprehensible , hidden Antonyms: comprehensible", "not easily understood; mysterious; unfathomable:an inscrutable smile.", "incapable of being seen through physically; physically impenetrable:the inscrutable depths of the ocean."]}]