[{"Bold_text": "noun", "List Items": ["an ornamental recess in a wall or the like, usually semicircular in plan and arched, as for a statue or other decorative object.", "a place or position suitable or appropriate for a person or thing:to find one's niche in the business world.Synonyms: berth , slot , vocation , calling", "a distinct segment of a market.", "Ecology. ecological niche(def) ecological niche(def)."]}, {"Bold_text": "adjective", "List Items": ["pertaining to or intended for a market niche; having specific appeal:niche advertising."]}, {"Bold_text": "verb (used with object)", "List Items": ["to place (something) in a niche."]}]