moon: meaning, definition, pronunciation and examples
A1 (Extremely High Frequency)Neutral (Used in all registers from everyday conversation to formal scientific writing)
Quick answer
What does “moon” mean?
The natural celestial body that orbits the Earth, visible by reflected sunlight and associated with night.
Audio
Pronunciation
Definition
Meaning and Definition
The natural celestial body that orbits the Earth, visible by reflected sunlight and associated with night.
Any natural satellite orbiting a planet; a month (poetic/archaic); something shaped like a crescent or disk; a state of dreamy abstraction.
Dialectal Variation
British vs American Usage
Differences
Minimal lexical difference. The verb 'to moon' (to expose one's buttocks) is understood in both, but might be considered slightly more prevalent in AmE media. Idioms are shared.
Connotations
Similar core connotations (romance, mystery, night, cycles). Slight cultural emphasis in AmE on space exploration ('moon landing'), while BrE may have stronger historical/poetic literary associations.
Frequency
Equally high frequency in both varieties.
Grammar
How to Use “moon” in a Sentence
moon over [sb/sth] (verb: to pine)moon about/around (verb: to act listlessly)be over the moon (idiom: delighted)promise [sb] the moon (idiom: make extravagant promises)Vocabulary
Collocations
Examples
Examples of “moon” in a Sentence
verb
British English
- Stop mooning about and get to work!
- He spent the summer mooning over his ex-girlfriend.
American English
- The fraternity brother got in trouble for mooning the rival team's bus.
- Quit mooning around and help me with this.
adverb
British English
- The clouds cleared, and the landscape lay moon-bright.
- (Rare/poetic) The path shone moon-white.
American English
- (Rare/poetic) The desert was moon-lit and silent.
- (Rare/poetic) Her dress was moon-pale.
adjective
British English
- The Apollo missions provided invaluable moon rocks for study.
- They planned a moon landing simulation.
American English
- NASA announced a new moon mission.
- The telescope captured a stunning moon image.
Usage
Meaning in Context
Business
Rare. Used metaphorically ('shoot for the moon') to express ambitious goals, or in company/brand names.
Academic
Common in astronomy, physics, and planetary science to discuss satellites, orbits, geology, and tides.
Everyday
Extremely common for discussing time, night, light, weather, and in romantic/poetic contexts.
Technical
Specific in astronomy (e.g., 'moon's albedo', 'selenography'), space engineering, and navigation (lunar cycles).
Watch out
Common Mistakes When Using “moon”
- Confusing 'moon' with 'moan' in pronunciation/listening.
- Using non-count syntax incorrectly: 'There is bright moon tonight.' (Correct: 'There is a bright moon' or 'The moon is bright').
FAQ
Frequently Asked Questions
Yes. When referring to natural satellites of planets, it is countable (e.g., 'Jupiter has many moons'). When referring specifically to Earth's moon, it is often used with 'the' as a proper noun.
'Moon' is a noun (and informal verb). 'Lunar' is the adjective form meaning 'of or relating to the moon' (e.g., lunar cycle, lunar module).
Yes, informally. It has two main meanings: 1) to act in a listless, dreamy way (often 'moon about/over'), and 2) to expose one's buttocks as a joke or insult.
In modern usage, it typically means the second full moon in a single calendar month, a relatively rare event which gave rise to the idiom 'once in a blue moon' meaning 'very rarely'.
The natural celestial body that orbits the Earth, visible by reflected sunlight and associated with night.
Moon is usually neutral (used in all registers from everyday conversation to formal scientific writing) in register.
Moon: in British English it is pronounced /muːn/, and in American English it is pronounced /muːn/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “once in a blue moon”
- “over the moon”
- “cry for the moon”
- “many moons ago”
- “promise the moon”
- “moon about/around”
Learning
Memory Aids
Mnemonic
Remember 'moon' by its double 'o' which looks like two full moons next to each other.
Conceptual Metaphor
TIME IS CYCLICAL (phases of the moon), UNATTAINABILITY (promise the moon), EMOTIONAL STATES (over the moon, mooning over someone).
Practice
Quiz
What does the idiom 'once in a blue moon' mean?