adjective (a)

• located, suited for, or taking place in the open air

  terletak, cocok untuk, atau berlangsung di udara terbuka

  Example:
  Outdoor clothes.
  Badminton and other outdoor games.
  A beautiful outdoor setting for the wedding.
  

  Synonym:
  out-of-door, outside
  Antonym:
  indoor
  

  source: wordnet30
• pertaining to or concerning the outdoors or outdoor activities

  menyangkut atau berkaitan alam bebas atau aktiviti outdoor

  Example:
  Outdoor education is the area of teacher training concerned with training for outdoor activities.
  

  source: wordnet30
• Being, or done, in the open air; being or done outside of certain buildings, as poorhouses, hospitals, etc.; as, outdoor exercise; outdoor relief; outdoor patients.

  menjadi, atau lakukan, di udara terbuka; menjadi atau lakukan di luar bangunan tertentu, sebagai poorhouses, rumah sakit, dll. ; sebagai, aku outdoor/ aku latihan; aku outdoor/ aku lega; aku outdoor/ aku pasien.

  source: webster1913