Definition of Jovian in US English:



  • 1Roman Mythology
    (in Roman mythology) of or like the god Jove (or Jupiter).

  • 2Relating to the planet Jupiter or the class of giant planets to which Jupiter belongs.

    ‘clouds in the Jovian atmosphere’
    ‘the Jovian planets’
    • ‘The orbiter spent eight years scrutinising the whole Jovian system and making multiple fly-bys of the four main moons.’
    • ‘Electromagnetic forces propel the dust out of the Jovian system, into interplanetary space.’
    • ‘Another Jovian moon, Io, surprised astronomers by indications of volcanic activity.’
    • ‘The first recorded sighting was by Galileo, who observed its conjunction with Jupiter in 1612 and mistook it for one of the Jovian moons.’
    • ‘The event, which took place on Feb. 22, 2001, was twice as powerful as any other eruption observed on the Jovian satellite.’
    extraterrestrial, other-worldly, unearthly
    View synonyms


  • A hypothetical or fictional inhabitant of the planet Jupiter.

    • ‘Please encourage the Jovians not to look for us.’
    • ‘Anyway, we don't need a strong army, we just need a few destructive strikes before the Jovians are prepared.’
    • ‘Galileo wrote of people living on Jupiter, and how the moons of Jupiter would appear to Jovians, as opposed to the way we see them on Earth, but the other three looked to the Moon.’
    • ‘Just as the Uranis were finally starting to organize themselves enough to cause damage, the Jovians, for no apparent reason, retreated and rode away.’
    • ‘The suspense was worse than anything else the Jovians could do to them.’
    extraterrestrial, et
    View synonyms