• traitourous(obsolete)
• traiterous(obsolete)

FromMiddle Englishtrayterous,traytrous, (alsoMiddle Englishtraytours,treytours), fromAnglo-Normantraiterous,traitourous andOld Frenchtraitros.

• enPR:trāt′ərəs,IPA^(key):/ˈtɹeɪtəɹəs/
• enPR:trāt′rəs,IPA^(key):/ˈtɹeɪtɹəs/

traitorous (comparativemoretraitorous,superlativemosttraitorous)

1. Characteristic of atraitor;disloyal.
   • c.1587–1588, [Christopher Marlowe],Tamburlaine the Great.[…] The First Part […], 2nd edition, part 1, London:[…][R. Robinson for] Richard Iones, […], published1592,→OCLC; reprinted asTamburlaine the Great (A Scolar Press Facsimile), Menston, Yorkshire, London: Scolar Press,1973,→ISBN,Act II, scene ii:

     I tel you true my hart is ſwolne with wrath,
     On this ſame theeuish villainTamburlain.
     And of that falseCoſroe, mytraiterous brother,
     Would it not grieue a King to be so abuſ’d?

   • c.1599–1602 (date written),William Shakespeare,The Tragicall Historie of Hamlet, Prince of Denmarke: […] (Second Quarto), London:[…]I[ames] R[oberts] forN[icholas] L[ing] […], published1604,→OCLC,[Act I, scene v]:

     I that inceſtuous, that adulterate beaſt, / With witchcraft of his wits, withtrayterous gifts, / O wicked wit, and giftes that haue the power / So to ſeduce; wonne to his ſhamefull luſt / The will of my moſt ſeeming vertuous Queene; [...]

2. (law)Constitutingtreason;treasonable orseditious.

• traitorsome
• treacherous