[{"Bold_text": "adjective", "List Items": ["of great extent; wide , broad :an extensive area.Synonyms: vast , ample , spacious , large , extended Antonyms: confined , narrow , limited", "covering or extending over a great area:extensive travels.", "far-reaching far-reaching; comprehensive ; thorough :extensive knowledge.Antonyms: parochial , confined , narrow , limited", "lengthy :an extensive journey.", "great in amount, number, or degree:an extensive fortune; extensive political influence.", "of or having extension :Space is extensive, time durational.", "noting or pertaining to a system of agriculture involving the use or cultivation of large areas of land with a minimum of labor and expense ( intensive )."]}]