underhanded

Golf is an underhanded game, because we must swing the club in an underhanded motion in order to play the ball off the ground.

They were actually underhanded threats to call off the lawsuit and then all insurance agents in the hospital district would get a dividend for the premiums paid.

Of course, sometimes compliments just aren't really compliments. Underhanded compliments are, for better or worse, nothing new or unusual.

And, although the mystery of an unsigned note rather thrilled her, it seemed underhanded. And June hated underhanded things.

Between 9.30, when the first shot was fired, and 11.45 a.m., the enemy, well aware of his vast superiority in men — the ' Intrepid,' being, as was usual with the Company's cruisers, underhanded — made two attempts to run her on board and throw an overpowering force on the brig's decks.