1. an artificial sweetener that is much sweeter than sugar and contains very few calories

Examples

• Diet sodas often contain aspartame instead of sugar.
• People with phenylketonuria must avoid aspartame.
• The gum was sweetened with aspartame to reduce calories.
• She checked the ingredient list for aspartame before buying the yogurt.
• Aspartame is commonly found in sugar-free products.
• The artificial sweetener aspartame was approved by the FDA in 1981.