TOP

Definition of planet noun from the Oxford Advanced American Dictionary

      

    planet

     noun
    noun
    NAmE//ˈplænət//
     
     
    jump to other results
  1. 1[countable] a large round object in space that moves around a star (such as the sun) and receives light from it the planets of our solar system the planet Earth/Venus/Mars
  2. 2the planet [singular] used to mean “the world,” especially when talking about the environment the battle to save the planet
    3. Idioms
    to be on another planet, what planet is somebody on? (informal) (humorous)
     
    jump to other results
    used to suggest that someone's ideas are not realistic or practical He thinks being a father is easy. What planet is he on?
See planet in the Oxford Advanced Learner's Dictionary
Check pronunciation: planet

Other results

All matches

Nearby words