Answer: knavish

AnswerCrossword Clue
KNAVISHDishonest
KNAVISHUntrustworthy
KNAVISHRascally
KNAVISHDastardly.
KNAVISHTricky or dishonest.
KNAVISHDishonest.
KNAVISHDeceitful
knavishlike or befitting a knave; untrustworthy; dishonest
knavishlike a knave