Meaning & use

moon

noun, verb·Everyday

Last updated

UK/muːn/
US/muːn/

Meanings

  1. nounsingular

    The large round object that travels around the Earth and shines in the night sky.

    Grammar: Usually the moon; capital M in scientific writing.

    Patterns

    • the moon
    • a full moon

    The moon was bright enough to read by.

    Astronauts first walked on the Moon in 1969.

    A thin crescent moon hung above the hills.

  2. nouncountabletechnical

    A natural object that travels around a planet other than Earth.

    Grammar: Countable, lowercase: Jupiter has dozens of moons.

    Patterns

    • a moon of Saturn

    Jupiter has dozens of moons.

    Europa is a moon of Jupiter.

    Scientists think life might exist on one of Saturn's moons.

  3. verbintransitiveinformal

    To spend time in a dreamy, aimless way, especially because you are thinking about someone you love.

    Grammar: Often followed by about, around or over: she mooned over him.

    Patterns

    • moon about
    • moon over someone

    He spent the summer mooning over his classmate.

    Stop mooning around and do your homework.

    She was mooning about the house all afternoon.

  4. verbtransitive or intransitiveinformalhumorous

    To show your bare buttocks to people as a rude joke.

    Grammar: Can take a person as object: he mooned the crowd.

    Patterns

    • moon someone

    A teenager mooned the passing train.

    The prank got them in trouble when they mooned the teacher.

    He was banned for mooning at the match.

Word forms

pluralmoons
third person singularmoons
past tensemooned
past participlemooned
-ing formmooning

Common combinations

full moon
Wolves howled under the full moon.
new moon
There is little light at the new moon.
moon rises
The moon rose over the harbor.
moon landing
My grandfather remembers the moon landing.
moon over someone
She mooned over him for weeks.

Synonyms and how they differ

satellite
Satellite is the technical term for any object orbiting another, including man-made ones, while moon is the everyday word.
daydream
Daydream describes any wandering thoughts, while moon (verb) implies longing, often for a person.
pine
Pine means to long for someone with real sadness, whereas moon is lighter and can sound mocking.

Opposites

Word family

moonlight noun
light from the moon
moonlit adjective
lit by the moon
mooning noun
the act of showing one's buttocks
moony adjective
dreamy or absent-minded
moonshine noun
illegal homemade liquor

Commonly confused: moon or month?

moon vs month

Month comes from the old word for the moon's cycle but now means a calendar division. A moon is the object in the sky.

Practice

Instead of studying, Jake spent the afternoon ___ over his new crush.

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