1 Neptune | Definition of Neptune
Logo
Menu
dictionary thesaurus

Neptune

noun
Nep·​tune | \ ˈnep-ËŒtün How to pronounce Neptune (audio) , -ËŒtyün\

Definition of Neptune

1a : the Roman god of the sea — compare poseidon
b : ocean
2 : the planet eighth in order from the sun — see Planets Table
Other Words from Neptune Synonyms Example Sentences Learn More about Neptune

Keep scrolling for more

Other Words from Neptune

Neptunian \ nep-​ˈtü-​nÄ“-​É™n How to pronounce Neptunian (audio) , -​ˈtyü-​ \ adjective

Synonyms for Neptune

Synonyms

blue, brine, deep, ocean, sea, seven seas

Visit the Thesaurus for More 

Examples of Neptune in a Sentence

sailors shipwrecked by the wild waves of Neptune

First Known Use of Neptune

before the 12th century, in the meaning defined at sense 1a

History and Etymology for Neptune

Latin Neptunus

Keep scrolling for more

Keep scrolling for more

More Definitions for Neptune

Neptune

noun
How to pronounce Neptune (audio)

English Language Learners Definition of Neptune

: the planet that is eighth in order from the sun

See the full definition for Neptune in the English Language Learners Dictionary

Neptune

noun
Nep·​tune | \ ˈnep-ËŒtün How to pronounce Neptune (audio) , -ËŒtyün\

Kids Definition of Neptune

: the planet that is eighth in order of distance from the sun and has a diameter of about 31,000 miles (50,000 kilometers)

Keep scrolling for more

More from Merriam-Webster on Neptune

Rhyming Dictionary: Words that rhyme with Neptune

Thesaurus: All synonyms and antonyms for Neptune

Spanish Central: Translation of Neptune

Nglish: Translation of Neptune for Spanish Speakers

Britannica English: Translation of Neptune for Arabic Speakers

WORD OF THE DAY

See Definitions and Examples

Get Word of the Day daily email!