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treasonable

[ tree-zuh-nuh-buhl ]
/ ˈtri zə nə bəl /
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adjective
of the nature of treason.
involving treason; traitorous.
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Origin of treasonable

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

OTHER WORDS FROM treasonable

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use treasonable in a sentence

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