And besides those open hostilities in Armes, Hugh the kings Chamberlaine and certaine others were suborned traiterously to kill the King: but the practise was in good time discouered, and the conspirators punished by death.
A Scholemaister traiterously rendring the noble mens sonnes of Faleria to the hands of Camillus, was wel acquited and rewarded for his paines and labour.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "traiterously" in a variety of sentences. We hope that you will now be able to make sentences using this word.