Sweetener/ˈswiːtnər/ Definition 1 of 2Pro Tip 1/3Dietary Context Often used when discussing diets, health, and food products. Many diet beverages contain an artificial sweetener instead of sugar. Pro Tip 2/3Healthier Option Seen as a healthier or low-calorie alternative to sugar. She prefers using honey as a natural sweetener in her tea. Pro Tip 3/3Cooking Ingredient Commonly referenced in cooking and baking recipes. The recipe calls for a sugar sweetener like Stevia.