[{"Bold_text": "noun", "List Items": ["a narrow entrance or passageway.", "a place or stage in a process at which progress is impeded.", "Also called slide guitar slide guitar.a method of guitar playing that produces a gliding sound by pressing a metal bar or glass tube against the strings."]}, {"Bold_text": "verb (used with object)", "List Items": ["to hamper or confine by or as if by a bottleneck."]}, {"Bold_text": "verb (used without object)", "List Items": ["to become hindered by or as if by a bottleneck."]}]