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noun Uncommon

Neptune

NEHPT-yoon

Neptune (noun) means the eighth and outermost planet in the solar system, known for its deep blue color. Example: “Neptune takes about 165 Earth years to orbit the sun.”

noun
1
The eighth and outermost planet in the solar system, known for its deep blue color.
"Neptune takes about 165 Earth years to orbit the sun."
2
In Roman mythology, the god of the sea, equivalent to the Greek god Poseidon.
"Ancient sailors prayed to Neptune before setting out on long voyages."

How to use Neptune

Learner’s notes

In plain EnglishEither the blue ice-giant planet farthest from the sun, or the Roman god of the ocean.

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_____ takes about 165 Earth years to orbit the sun.

Etymology

From Latin Neptūnus, the Roman god of the sea, possibly linked to an ancient root meaning "wet" or "cloudy."

Origin: Latin

Rhymes for Neptune

See all rhymes for Neptune →

Frequently asked questions

What does “Neptune” mean?

The word “Neptune” means the eighth and outermost planet in the solar system, known for its deep blue color. In plain terms, either the blue ice-giant planet farthest from the sun, or the Roman god of the ocean.

How do you pronounce “Neptune”?

“Neptune” is pronounced NEHPT-yoon (/ˈnɛptuːn/ in IPA).

How do you use “Neptune” in a sentence?

Here is “Neptune” used in a sentence: “Neptune takes about 165 Earth years to orbit the sun.”

What is another word for “Neptune”?

Words with a similar meaning to “Neptune” include ♆ and ⯉.

What part of speech is “Neptune”?

“Neptune” is a noun.

Where does the word “Neptune” come from?

The word “Neptune” comes from Latin. From Latin Neptūnus, the Roman god of the sea, possibly linked to an ancient root meaning "wet" or "cloudy.".

Is “Neptune” a common word?

“Neptune” is an uncommon word in modern English.

How many meanings does “Neptune” have?

“Neptune” has 2 distinct senses listed in this dictionary. The most common is: the eighth and outermost planet in the solar system, known for its deep blue color.

Definitions: FreeDict original editorial