Treasonable
Definition 1 of 1

Grave Context
Used in serious situations where someone betrays their country, implying high severity and consequences.

The spy's actions were considered treasonable, endangering national security.
Legal Repercussions
Often used in a legal context where the act could lead to serious charges or penalties.

They faced a treasonable charge, risking a lifetime imprisonment.
Not Casual
It's a formal term not used in casual conversation due to its specific and heavy legal implications.

His treasonable intent was not a matter of gossip but of state security.
Compare with
disloyalinsurrectionarymutinousrebelliousrevolutionaryseditioussubversivetraitorous
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