treasonable

play
adjective trea·son·able \ˈtrēz-nə-bəl, ˈtrē-zə-nə-bəl\

Definition of treasonable

  1. :  relating to, consisting of, or involving treason treasonable words

treasonably

play \-blē\ adverb

14th Century

First Known Use of treasonable

14th century

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