Loquacious/ləˈkweɪʃəs/ Definition 1 of 2Pro Tip 1/3Informal Usage Use 'loquacious' in casual settings to describe someone who talks a lot. My uncle is so loquacious that family dinners are never quiet. Pro Tip 2/3Slightly Important Use 'loquacious' when the topics of conversation are trivial or not crucial. The loquacious cab driver shared every detail of his day. Pro Tip 3/3Not Negative While it suggests excess, 'loquacious' isn't always a negative trait. Her loquacious nature made her popular at social gatherings.