'Prepaid' definitions:

Definition of 'prepaid'

(from WordNet)
adjective
Used especially of mail; paid in advance [syn: postpaid, prepaid]

Definition of 'Prepaid'

From: GCIDE
  • Prepay \Pre*pay"\, v. t. [imp. & p. p. Prepaid; p. pr. & vb. n. Prepaying.] To pay in advance, or beforehand; as, to prepay postage. [1913 Webster]