[{"Bold_text": "noun", "List Items": ["a very slender line.", "the lower edge of the hair, especially along the upper forehead:a hairline that slowly receded.", "worsted fabric woven with very fine lines or stripes.", "Printing.a very thin line the face of a type.a style of type consisting entirely of such lines . line .a thin rule for printing fine lines . line .undesirable vertical lines line letters, caused by worn matrices.", "a very thin line the face of a type.", "a style of type consisting entirely of such lines . line .", "a thin rule for printing fine lines . line .", "undesirable vertical lines line letters, caused by worn matrices."]}, {"Bold_text": "adjective", "List Items": ["narrow or fine as a hair :a hairline fracture."]}]