Definition of "traitorously" [traitorously]

• In a traitorous manner; treacherously. (adverb)

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• "TONE -- "Stripping this charge of the technicality of its terms, it means, I presume, by the word traitorously, that I have been found in arms against the soldiers of the King in my native country."
• "The word is out that Heldridge has acted traitorously against his Regional Lord, so he has no access to funds, the Vampire Executive International Network has placed a bounty on him, and he will have trouble finding anyone who will speak to him and not betray him."
• "Fauxlivia is in federal custody for traitorously trying to cross over to our world; Peter is in a coma following his ill-fated attempt to enter the big-bang machine; and Astrid remains the only cast regular without some sort of a link to Nina Sharp."