treasonable

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

Definition of treasonable

:relating to, consisting of, or involving treason
  • treasonable words

treasonably

play \-blē\ adverb

Recent Examples of treasonable from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'treasonable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of treasonable

14th century


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