treasonous

Adjective
US[tree-zuh-nuhs]/ˈtrizəˌnʌs/3 syllables
Synonyms: faithlesstraitorousunfaithfultreasonable

Open English WordNet

Adjective (1)

  1. having the character of, or characteristic of, a traitor“the faithless Benedict Arnold”“a lying traitorous insurrectionist”Synonyms: faithlesstraitorousunfaithfultreasonableOpposite loyalSimilar disloyal

Related words unfaithfulness noun

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artificenoun

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Webster's Dictionary (1913)

Trea′son·ous adjective

Treasonable. William Shakespeare

The treasonous book of the Court of King James.— Pepys.

Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54

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