- the amount a mouth can hold.
- the amount taken into the mouth at one time.
- a small quantity.
- a spoken remark of great truth, relevance, effectiveness, etc.: You said a mouthful!
- a long word or group of words, especially one that is hard to pronounce.
- as much as is held in the mouth at one time
- a small quantity, as of food
- a long word or phrase that is difficult to say
- an abusive response
- an impressive remark (esp in the phrase say a mouthful)
