[{"Bold_text": "verb (used without object)", "List Items": ["to walk or go with faltering, unsteady steps:She tottered down the street in high heels, desperately fighting to stay vertical.", "to sway or rock on the base or ground, as if about to fall:The tower seemed to in the wind.Synonyms: waver", "to shake or tremble:a load that tottered.Synonyms: quiver , oscillate", "to lack security or stability; threaten to collapse:The government was tottering."]}, {"Bold_text": "noun", "List Items": ["the act of tottering; an unsteady movement or gait."]}]