2 adjectives to describe underhand

In the trade this is generally regarded as a nasty underhand jab at the British cigar industry.

When this scandalous underhand dealing came to my fathers ears, he took a great aversion to Lisbon and the Portuguese nation; and, his wife being dead, he resolved to repair into Castile, with his son Don James Columbus, then a little boy, who has since inherited his fathers estate.

2 adjectives to describe  underhand