- 1[countable] an amount of food or drink that you put in your mouth at one time She took a mouthful of water. Thank you, but I couldn't eat another mouthful. He talked eagerly between mouthfuls of salad.
- 2 [singular] (informal) a word or a phrase that is long and complicated or difficult to pronounce My name's Zacharias. You can call me Zach if it's too much of a mouthful. Dr. Solomon's Anti-Virus Toolkit for Windows (what a mouthful!) Idioms
to say something important using only a few words You said a mouthful there, buddy.
say a mouthful (informal)jump to other results