Search Dictionary
Definition of moonphase

moonphase

/ˈmuːn.feɪz/
moon · phase
Plural:moonphases
JUMP TO:

moonphase Lexical Profile

moonphase Game Scores & Validity

• noun

1

Any of the recurring appearances or stages of the Moon's illuminated surface as viewed from Earth during a lunar cycle, such as a new moon, crescent, or full moon.

Example

"The calendar displays the current moonphase alongside daily tide predictions."

2

A mechanical complication or sub-dial on a watch or clock that displays the current stage of the lunar cycle.

Example

"The vintage dress watch features a finely painted gold moonphase at the six o'clock position."

Synonyms
View all synonyms for moonphase

Word Nuance & Usage

While usually written as the open compound "moon phase" in astronomy, the closed form "moonphase" is standard in horology when referring to a watch complication that tracks the lunar cycle.

• Nearby Words

moonlighting
moonlike
moonlit
moonphase
moonrise
moonrock
moonroof

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Moonphase. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/moonphase
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.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 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.