Sentence:  Wyndham Lewis is equipped for his task with an amazing vocabulary of diatribe and derision, a <WSD>spleenful</WSD> of gall, and sense for the absurd — the monstrous, the Gargantuan, the preposterously incongruous— which, when disciplined, makes his best passages uproariously effective. 
Meaning of the word marked with <WSD> tags:  A quantity of invective.