1. 背叛的：treason 叛逆 | treasonable 背叛的 | treasonous 叛逆的
2. 谋叛的：treadwater 踩水 | treasonable 谋叛的 | treasure 宝物
3. 叛逆的; 背信的; 不忠的 (形)：treadmill 踏车, 单调的工作 (名) | treasonable 叛逆的; 背信的; 不忠的 (形) | treasonous 叛逆的; 不忠的 (形)
4. 叛国的,叛逆的：rough 崎岖不平的,表面粗糙的 | treasonable 叛国的,叛逆的 | verify 核实,查证
1. 谋反的;涉及叛国罪的
Treasonable activities are criminal activities which someone carries out with the intention of helping their country's enemies or removing its government using violence.
e.g. They were brought to trial for treasonable conspiracy.
他们因密谋叛国被送上法庭。
1. The two men are standing trial for corruption and treasonable felony in Abuja.
adj
1. having the character of, or characteristic of, a traitor
e.g. the faithless Benedict Arnold
a lying traitorous insurrectionist
Synonym: faithless traitorous unfaithful treasonous