Sentence:  “There's a poem I like,” Harry said. “By Robert Graves. About cats. Cats, he says, make their point by walking round it. It's all right for cats. For humans, as you say—<WSD>weaselly</WSD>. Why don't they come out with it?” 
Meaning of the word marked with <WSD> tags:  Devious; cunning; misleading; sneaky.