Sentence:  To himself, already beginning to resent the new employer as all that morning he had been resenting the old one, Dr. Planish groaned, “He's getting saintly on me!  A careerist in holiness! I'll never be happy till I've got an organization where I'm sole boss—unless it's one run by a fellow like Colonel Marduc, who has real brains and power—and cash!—and not a lot of <WSD>sappy</WSD> sentimentality like Vesper or psychopathic malice like Sneaky Sandy—Oh dear!” 
Meaning of the word marked with <WSD> tags:  Excessively sweet, emotional, nostalgic; cheesy; mushy. (British equivalent: soppy)