Gluttonous/ˈɡlʌtənəs/ Definition 1 of 2Pro Tip 1/3Excessive Consumption Emphasizes overindulgence in eating, to a point that's unhealthy or wasteful. His gluttonous habits had him munching snacks all day. Pro Tip 2/3Negative Connotation Comes with a judgmental tone, suggesting disapproval of the person's excess. She frowned at his gluttonous display at dinner. Pro Tip 3/3Emotional Implication May imply lack of self-control or inability to resist temptation. Despite being full, he gave in to his gluttonous cravings.