alternative

/ɒl.ˈtɜː(ɹ).nə.tɪv/
/ɔl.ˈtɝ.nə.tɪv/

noun

  1. A situation which allows a mutually exclusive choice between two or more possibilities; a choice between two or more possibilities.

  2. One of several mutually exclusive things which can be chosen.

  3. The remaining option; something available after other possibilities have been exhausted.

  4. Alternative rock

adjective

  1. Relating to a choice between two or more possibilities.

    "an alternative proposition"

  2. Other; different from something else.

  3. Not traditional, outside the mainstream, underground.

  4. Alternate, reciprocal.