Word.ws English Dictionary

Plural of planet

regular plural

The plural of planet is planets.

Forms of planet

Singularplanet /ˈplænɪt/
Pluralplanets /ˈplænɪts/
Countablecountable

Planets in a sentence

  • Another of Boehme's followers, the Welshman Morgan Llwyd, also believed that the seven planets could be found within man.1971, Keith Thomas, Religion and the Decline of Magic, Folio Society, published 2012, page 361
  • Their decision will force a rewrite of science textbooks because the solar system is now a place with eight planets and three newly defined "dwarf planets"—a new category of object that includes Pluto.2006 December 22, Alok Jha, The Guardian
  • Humankind has never found any other habitable planets apart from Earth.From the entry habitable
  • There are habitable planets orbiting many of the stars near our Sun.From the entry near
  • The occasional apparent backward movement of planets is evidence that they revolve around the sun.From the entry backward

Meaning of planet

  1. noun Each of the seven major bodies which move relative to the fixed stars in the night sky—the Moon, Mercury, Venus, the Sun, Mars, Jupiter and Saturn.
  2. noun Any body that orbits the Sun, including the asteroids (as minor planets) and sometimes the moons of those bodies (as satellite planets).
  3. noun A body which is massive enough to be in hydrostatic equilibrium (generally resulting in being an ellipsoid) but not enough to attain nuclear fusion and, in IAU usage, which directly orbits a star (or multiple star) and dominates the region of its orbit; specifically, in the case of the Solar system, the eight major bodies of Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

Full definition of planet

Questions about the plural of planet

What is the plural of planet?
The plural of planet is planets.
Is planet countable?
Planet is a countable noun.

Source and license

Adapted from Wiktionary: planet (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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