Definition of mouthful in English:

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Pronunciation: /ˈmouTHˌfo͝ol/

noun (plural mouthfuls)

1A quantity of food or drink that fills or can be put into the mouth: he took a mouthful of beer savor the flavor of each mouthful
More example sentences
  • It's not going to be funny when someone who can't have nut products gets a mouthful of the wrong food and goes into shock.
  • Then he took a mouthful of his drink and then put the glass in my face.
  • He put the groceries away, drank a mouthful of whiskey, and fell into a dead sleep that would last nearly fifteen hours.
bite, nibble, taste, bit, piece;
sip, swallow, drop, gulp, slug
informal swig
2A long or complicated word or phrase that is difficult to say: “Galinsoga” was too much of a mouthful for most nonbotanists
More example sentences
  • St Nicholas Fields Conservation Group is a bit of a mouthful, and becomes the Friends of St Nicholas Fields.
  • It's a nice, short word Tory, unlike Conservative, which is a bit of a mouthful.
  • Her name is a bit of a mouthful too, so everyone calls her Jen, and she's thirteen.
tongue-twister, long word, difficult word



give someone a mouthful

informal Talk to or shout at someone in an angry, abusive, or severely critical way.
Example sentences
  • She said: ‘Some of them apologise and move on, but others just give you a mouthful.’
  • The driver then proceeded to give me a mouthful about how cyclists should be more careful.
  • Your average traffic cop must pull over hundreds of motorists a month, many of whom are going to give him a mouthful.

say a mouthful

North American informal Say something noteworthy.
Example sentences
  • When Rahouf sat, he made a choice of conscience that directly impacted no one but sure said a mouthful.
  • ‘That's saying a mouthful,’ I muttered, glaring at Kyle.
  • He's a boy, firstly, and that's saying a mouthful.

For editors and proofreaders

Syllabification: mouth·ful

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