Search Dictionary
Definition of mouth

mouth

/maʊθ/
mouth

Adverb:orally
•
Plural:mouths
•
Adjective:oral
•
Past Simple:mouthed
•
Past Participle:mouthed
•
Present Participle:mouthing
JUMP TO:

mouth Lexical Profile

mouth Game Scores & Validity

• noun

1

The opening and cavity in the lower part of the human face, surrounded by the lips, through which food is taken in and vocal sounds are emitted.

Example

"The dentist asked the patient to open his mouth wide for the examination."


2

The place where a river or stream enters a sea, ocean, or lake.

Example

"A busy port city grew at the mouth of the river where freshwater met the sea."


3

An opening or entrance to a hollow structure, such as a cave, tunnel, or bottle.

Example

"They set up camp just outside the mouth of the limestone cave."

Synonyms
View all synonyms for mouth
Antonyms
View all antonyms for mouth

• verb

1

To form words with the lips without making any sound.

Example

"From across the crowded room, she mouthed the answer so no one else could hear."


2

To utter something in an insincere, pompous, or unthinking manner.

Example

"The candidate merely mouthed familiar platitudes instead of addressing the policy questions."


3

To take into or touch with the mouth (especially of an infant or animal exploring an object).

Example

"The puppy gently mouthed the rubber toy without biting through it."

Synonyms
View all synonyms for mouth
Antonyms
View all antonyms for mouth

Word Nuance & Usage

The noun 'mouth' is pronounced with an unvoiced 'th' sound (/θ/), whereas the verb 'mouth' and the plural noun 'mouths' are pronounced with a voiced 'th' sound (/ð/).

• Rhymes for mouth

Word Origin & Etymology

From Old English 'mūþ', of Proto-Germanic origin and ultimately from a Proto-Indo-European root shared with Latin 'mentum' (chin).

Cite this Entry


Wordmom. (2026). Definition of Mouth. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/mouth
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.