alone - definition and synonyms

adjective, adverb 

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Alone can be used in the following ways:
as an adjective (never before a noun): I was alone in the house.
as an adverb: Kim prefers to travel alone.He alone knows where the files are hidden.
  1. 1
    without anyone with you
    1. a.
      if you are alone, there is no one else with you

      Shelley is divorced and lives alone.

      all alone (=completely alone):

      She was all alone in a dark forest.

       Synonyms and related words
    2. b.
      used when two people are together and no one else is there

      It was forbidden for an unmarried couple to be alone together.

      alone with:

      Roger hadn’t had a chance before to be alone with Therese.

  2. 2
    feeling that you have no friends and that no one cares about you

    Jim said goodnight and left, feeling sad and alone.

    alone in the world (=not having any friends anywhere):

    I felt completely alone in the world.

  3. 3
    if you do something alone, you do it without any help from other people

    He is so severely disabled that he cannot manage alone.

    Was the killer acting alone?

  4. 4
    [never before noun] without including numbers or amounts from anywhere else

    Kazakhstan alone had more than 100 different nationalities.

    The team earned over a million pounds from television alone last year.

  5. 5
    [never before noun] used for emphasizing that a particular person or thing is the only one that has something or can do something

    He alone was allowed to make decisions on foreign policy.

    Time alone will show whether the voters made the right choice.