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Definition of moon

moon

/muːn/
moon

Plural:moons
•
Adjective:lunar
•
Past Simple:mooned
•
Past Participle:mooned
•
Present Participle:mooning
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moon Lexical Profile

moon Game Scores & Validity

• noun

1

The natural satellite of the Earth, visible chiefly at night by reflected light from the sun.

Example

"The full moon illuminated the dark forest path."


2

Any natural satellite orbiting a planet or minor planet.

Example

"Jupiter has dozens of known moons, with Ganymede being the largest in the solar system."


3

A period of time corresponding to a lunar month, often used in literary or historical contexts.

Example

"The ancient tribe had lived in the valley for many moons."

Synonyms
View all synonyms for moon

• verb

1

To behave or spend time in a listless, aimless, or romantically melancholy manner (often used with 'over' or 'about').

Example

"He spent the entire afternoon mooning over his recent breakup instead of studying."


2

To expose one's bare buttocks to someone as a prank, protest, or insult.

Example

"The mischievous teenagers mooned the passing tourist bus before running away."

Synonyms
View all synonyms for moon

Word Nuance & Usage

In scientific and astronomical contexts, 'the Moon' is typically capitalized when referring specifically to Earth's natural satellite, whereas 'moon' is left lowercase when referring to the satellites of other planets.

• Rhymes for moon

Word Origin & Etymology

From Old English 'mōna', of Germanic origin; related to Dutch 'maan' and German 'Mond'. It derives from an Indo-European root shared by Latin 'mensis' and Greek 'mēn' (meaning 'month'), denoting a measure of time.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Moon. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/moon
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