Sentence:  What is the civility of the landlord and his waiters but <WSD>humbug</WSD>? What the smirking, smiling, ducking and bowing of the shopkeeper, but <WSD>humbug</WSD>? What his sweet and gentle "yes, sirs," and "no, sirs," and "proud to serve you, sirs," but <WSD>humbug</WSD>? You are not goose enough to believe for a moment that he is serious, that he has either the least regard or respect for you. 
Meaning of the word marked with <WSD> tags:  A fraud or sham (countable); hypocrisy (uncountable).