Sentence:  No detatched evidence of the <WSD>slipslop</WSD> of Mrs. Wood's style (and " East Lynne " was in this respect worse, not better, than " Verner's Pride ") will convey to one who has not read the book itself the impression of ill-written English that every page of her writing gives, even when it contains no technical faults. 
Meaning of the word marked with <WSD> tags:  Poor writing; text that is imprecise, weak, or overly informal.