Sentence:  The text is 'suffused with decorous domesticity', which, [Richard] Altick has argued, is due to its rigorous omission of the 'idiosyncrasies that made &#91;[Alfred, Lord] Tennyson&#93; the engaging and often formidable character he was – his vanity, his <WSD>atrabiliousness</WSD> [and] his shaggy Lincolnshire abruptness.' 
Meaning of the word marked with <WSD> tags:  Grumpiness, irritability, melancholy, moroseness.