the natural satellite of the earth, visible (chiefly at night) by reflected light from the sun., a month, typically a lunar month (approximately 29.5 days).

once in a blue moon, over the moon, shoot for the moon

Formal and Informal Expressions of moon

In different contexts, you can replace 'moon' with suitable alternatives. In a more formal setting, 'natural satellite' is apt. In informal speech or writing, 'satellite' is a commonplace synonym.

moon: Explore its Definition & Usage

moon Definition

1the natural satellite of the earth, visible (chiefly at night) by reflected light from the sun.
2a month, typically a lunar month (approximately 29.5 days).

Using moon: Examples

Take a moment to familiarize yourself with how "moon" can be used in various situations through the following examples!

Example
The moon is full tonight.
Example
The astronauts landed on the moon.
Example
It takes about 29.5 days for the moon to orbit the Earth.
Example
The festival is celebrated on the fifteenth day of the eighth lunar month.

moon Synonyms and Antonyms

Synonyms for moon

satellite
lunar body
celestial body

Phrases with moon

once in a blue moon
very rarely
Example
I only go to the cinema once in a blue moon.
over the moon
extremely happy
Example
She was over the moon when she got the job.
shoot for the moon
aim for a very ambitious target
Example
I know it's a long shot, but I'm going to shoot for the moon and apply for the CEO position.

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Summary: moon in Brief

The term 'moon' [muːn] refers to the natural satellite of the Earth, visible by reflected light from the sun. It also denotes a month, typically a lunar month. Examples include 'The astronauts landed on the moon,' and 'It takes about 29.5 days for the moon to orbit the Earth.' Phrases like 'once in a blue moon' indicate rarity, while 'over the moon' denotes extreme happiness, and 'shoot for the moon' implies aiming for an ambitious target.