Word.ws English Dictionary

blue planet

blue planet noun: any exoplanet, putative or known, whose climate is similar enough to Earth's in which humans take special interest as a possible home world of exolife, a possible target for colonization, or both. Also the alternative letter-case form of Blue Planet.

Noun

blue planet (plural blue planets)

  1. Any exoplanet, putative or known, whose climate is similar enough to Earth's in which humans take special interest as a possible home world of exolife, a possible target for colonization, or both.

Proper noun capitalized: Blue Planet

the Blue Planet

  1. The planet Earth.
    Synonyms:
    Third Planet

Also used as

blue planet is also the alternative letter-case form of Blue Planet.

Synonyms of blue planet

Forms of blue planet

pluralblue planets

Questions about blue planet

What does blue planet mean?
Blue planet means any exoplanet, putative or known, whose climate is similar enough to Earth's in which humans take special interest as a possible home world of exolife, a possible target for colonization, or both.
What part of speech is blue planet?
Blue planet can be a noun or a proper noun.
What is the plural of blue planet?
The plural of blue planet is blue planets.

Words near blue planet in the dictionary

  1. blue pilling
  2. blue pills
  3. blue pine
  4. blue pipe
  5. blue pipes
  6. blue planet
  7. blue planets
  8. blue plaque
  9. blue plaques
  10. blue plate
  11. blue plate special

Source and license

Adapted from Wiktionary: blue planet (page history and authors); Blue Planet (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “blue planet.” Word.ws, https://word.ws/blue_planet. Based on Wiktionary, CC BY-SA 4.0.