[{"Bold_text": "adjective", "List Items": ["impervious to water .", "rendered impervious to water some special process, as coating or treating with rubber:a waterproof hat."]}, {"Bold_text": "noun", "List Items": ["Chiefly British.a raincoat or other outer coat impervious to water .", "any of several coated or rubberized fabrics that are impervious to water ."]}, {"Bold_text": "verb (used with object)", "List Items": ["to make waterproof."]}]