Trea"son*a*ble (?), a.

Pertaining to treason; consisting of treason; involving the crime of treason, or partaking of its guilt.

Most men's heads had been intoxicated with imaginations of plots and treasonable practices. Clarendon.

Syn. -- Treacherous; traitorous; perfidious; insidious.

--Trea"son*a*ble*ness, n. -- Trea"son*a*bly, adv.

 

© Webster 1913.