alone / lonely / only

Alone means “by yourself” – there is nobody else with you:

  • I like to take long walks alone so that I have time to think.
  • He got up and left the restaurant, leaving me alone at the table.

    Lonely means “feeling sad and isolated” – it is a negative emotion.

  • I was lonely on my first day of class because I didn’t have any friends.
  • She can’t stand being single; she says she feels lonely without a boyfriend.
  • nly means “just one” and can be used with people, objects, or actions. After the word only, we must have a person, object, or action.
  • Dana was the only student who understood today’s English lesson.
  • I have only one pair of sunglasses.
  • I didn’t have a lot of money, so I only bought this T-shirt.