| trügerisch Âverräterisch |
| heimtückisch Âhinterfotzig (derb) Âhinterhältig Âhinterlistig Âintrigant Âniederträchtig Âperfid Âperfide Âtrickreich Âverräterisch Âverschlagen |
| faithlessly traitorously treacherously treasonably false | in a disloyal and faithless manner, he behaved treacherously, his wife played him false |