outdoor / outdoors/ the outdoors

1.outdoor(形容詞)
2.outdoors(副詞)
3.the outdoors(名詞)

Ex

  • 1.He likes to play outdoor sports.
  • 2.He likes to play outdoors.
  • 3.He likes the outdoors.

Reference source

  • https://eigopedia.com/%E5%BD%A2%E5%AE%B9%E8%A9%9E/%E3%80%8Coutdoor%E3%80%8D%E3%81%A8%E3%80%8Coutdoors%E3%80%8D%E3%81%AE%E9%81%95%E3%81%84%E3%81%AF%E4%BD%95%E3%81%A7%E3%81%99%E3%81%8B%EF%BC%9F