The meaning of TREASONOUS is treasonable.

TREASONOUS definition: treasonable. See examples of treasonous used in a sentence.

Define treasonous. treasonous synonyms, treasonous pronunciation, treasonous translation, English dictionary definition of treasonous. adj. Treasonable. trea′son·ous·ly adv. American Heritage® …

TREASONOUS definition: treasonable; traitorous | Meaning, pronunciation, translations and examples

Nov 26, 2025 · Adjective treasonous (not comparable) Like or in the way of treason. Synonyms: dastardly, perfidious, traitorous; see also Thesaurus: treacherous His treasonous actions earned …

treasonous, adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Jan 15, 2016 · Anything treasonous involves a betrayal, particularly of your country. Your sister might consider it treasonous if you tell your parents she skipped school to go to the beach.

Like or in the way of treason. His treasonous actions earned Benedict Arnold eternal scorn.

Treasonous refers to the act of betraying one's own country or sovereign, especially by attempting to overthrow the government, kill or harm a sovereign, or destabilize the nation's security.

Used in formal or legal settings to describe actions that betray one's country or government. Describes actions or people that betray trust, often with an implication of danger or deceit; can also describe …