treasonable

American  

[tree-zuh-nuh-buhl] / ˈtri zə nə bəl /

adjective

1. of the nature of treason.

2. involving treason; traitorous.

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Other Word Forms

• nontreasonable adjective
• nontreasonableness noun
• nontreasonably adverb
• treasonably adverb
• untreasonable adjective

Etymology

Origin of treasonable

First recorded in 1325–75, treasonable is from the Middle English word tresonabill. See treason, able

Example Sentences

Stripping royal titles was something reserved for those who committed near treasonable offenses or no longer considered part of the extended royal clan.

From The Wall Street Journal

Amid this crackdown, army chief Christopher Musa warned that it is a "treasonable offence" to fly the flags of foreign countries.

From BBC

The Quaker petitions were therefore not treasonable or out of order.

From Literature

After a similar grant, the 1776 constitution of North Carolina warned: "nothing herein contained shall be construed to exempt preachers of treasonable or seditious discourses, from legal trial and punishment."

From Salon

By February 1864, Davis despaired: "Public meetings of treasonable character, in the name of state sovereignty, are being held."

From Salon