1. an amount of food or drink that fills the mouth
2. a word or phrase that is difficult to pronounce
Usage: informal
3. a long or complicated name or title
Usage: informal

Examples

• She took a large mouthful of soup.
• The baby could only manage small mouthfuls of cereal.
• His last name is quite a mouthful to pronounce.
• That scientific term is really a mouthful.
• Her full title is a real mouthful.
• He chewed each mouthful slowly.
• The medication name was such a mouthful that patients called it by its nickname.