adverb (r)

• apart from others(adv.all)

  Example:
  Taken individually, the rooms were, in fact, square.
  

  Synonym:
  independently, on an individual basis, one by one, separately, severally, severally, singly
  

  source: wordnet30
• In an individual manner or relation; as individuals; separately; each by itself.(adverb)

  source: webster1913