Sentence:  That said, the passage just looked at anticipates rather than participates in greatness. It is too adjectival, a stylistic flaw which suggests an insistence more apparent in the ensuing lines (182-91), where one is torn between thinking that  Shelley is <WSD>overwriting</WSD> and that he is staying close to a feverish intensity. 
Meaning of the word marked with <WSD> tags:  To write in an unnecessarily complicated or florid way; to produce purple prose.