Definition of "additional" in English

adjective

1. Supplemental or added to something.

   • additional charge
   • additional information
   • additional resources
   • You may be charged an additional fee for late payment.
   • The hotel provided additional towels on request.

noun

1. Something added.

   • 1614, Francis Bacon, “A Letter to the King touching Peacham’s Cause. January 27. 1614” in Resuscitatio, or, Bringing into publick light severall pieces of the works […] of Francis Bacon, London: William Lee, 1657, p. 49, For having received, from my Lord, an Additional, of great Importance; which was, that Owen, of his own Accord, after Examination, should compare the Case of your Majesty, (if you were Excommunicate,) to the Case, of a Prisoner, Condemned at the Barr; which Additional was subscribed by one Witness; but yet I perceived it was spoken aloud, and in the Hearing of others; I presently sent down a Copy thereof […]