What does the word optional mean?

    Part of speech: adverb


  • Part of speech: adjective

  • Depending on choice; elective.

Usage examples for optional

  1. It was optional with me whether I should walk through one hundred and twenty miles of primeval and most impassable forest, or paddle over an equal number of miles of water. – Hudson Bay by R.M. Ballantyne
  2. The singer will be wise, however, to avail himself of the power of producing an optional tone with the mechanism of the lower register only on rare occasions. – The Mechanism of the Human Voice by Emil Behnke