Jupiter

noun

Ju·​pi·​ter ˈjü-pə-tər 

1

: the chief Roman god, husband of Juno, and god of light, of the sky and weather, and of the state and its welfare and its laws compare zeus

2

: the largest of the planets and fifth in order from the sun see Planets Table

Examples of Jupiter in a Sentence

Recent Examples on the Web

In 2009, Gates bought a $5 million home set on one acre with 200 feet of water frontage on Florida’s Jupiter Island. —Katie Schultz, Architectural Digest, 26 Aug. 2025

Fortunately, lucky Jupiter is in your sign bringing you divine protection. —Georgia Nicols, Denver Post, 26 Aug. 2025

One of the most positive transits of the year is Venus-Jupiter’s conjunction in Cancer on August 12. —Colin Bedell, Them., 5 Aug. 2025

Rise an hour before sunrise and look to the east-northeast to see Venus and Jupiter less than a degree apart — the width of a finger held at arm’s length against the sky. —Jamie Carter, Forbes.com, 5 Aug. 2025

Word History

Etymology

Latin

First Known Use

13th century, in the meaning defined at sense 1

Kids Definition

Jupiter

noun

Ju·​pi·​ter ˈjü-pət-ər 

: the largest of the planets and fifth in order of distance from the sun see planet

Geographical Definition

Jupiter

geographical name

Ju·​pi·​ter ˈjü-pə-tər 

town on the Atlantic in southeastern Florida population 55,156