English edit

Etymology 1 edit

un- +‎ stamped

Adjective edit

unstamped (not comparable)

  1. Not stamped.
    • 2007 January 4, Brenda Goodman, “Tennessee’s Tax on Illegal Drugs Nets $3.5 Million”, in New York Times[1]:
      The real money the law generates comes from penalties assessed on people caught with unstamped drugs.

Etymology 2 edit

Verb edit

unstamped

  1. simple past and past participle of unstamp