devious
DEE-vee-usadjMeaning sly and tricky in getting one’s way
Memory hook DE-VIA: OFF the straight road. Instead of asking for a later bedtime, Pip and Ivy take the sneaky road: they tiptoe in and turn the clock back an hour. That trick is devious.
The cat came up with a devious plan to reach the fish tank.
In context Rather than ask for a later bedtime, the devious twins quietly set every clock in the house back an hour.
Similar sly, sneaky, scheming, cunning
Opposite honest, direct, forthright
From Latin devius, “off the road”: de (away from) + via (way).