Sentence:  Glancing at the developments of individualities in memberdom, it may be said that Lord Elebo availed himself of the last appearance in the House of the Army Estimates to repeat the attacks on the physical condition of the men of the service which he had so elaborately made a week or two ago; and he <WSD>pessimised</WSD> on the subject, if possible, with the same exaggeration as before. 
Meaning of the word marked with <WSD> tags:  To think like a pessimist; to believe the worst.