Adjective : He is feeling rather low-spirited today.    From Dictionary.com. 

I must acquaint you that his kind behaviour, and my low-spiritedness, co-operating with your former advice, and my unhappy situation, made me that very Sunday evening receive unreservedly his declarations: and now indeed I am more in his power than ever.    From Wordnik.com.  [Clarissa Harlowe] Reference

He upbraids him with his present low-spiritedness, v. 5.    From Wordnik.com.  [Commentary on the Whole Bible Volume III (Job to Song of Solomon)] Reference

By sympathizing effusively with those in trouble, she encouraged them in low-spiritedness; by lavishing alms, she weakened struggling poverty into pauperism.    From Wordnik.com.  [The Second Generation] Reference

A sensation of low-spiritedness such as he had never felt before.    From Wordnik.com.  [The Adventures of Don Lavington Nolens Volens] Reference

If I, an English person, have been so deeply afflicted, that even this sweet house and society -- even my Susan and her lovely children -- have been incapable to give me any species of pleasure, or keep me from a desponding low-spiritedness, what must be the feelings of all but the culprits in France?.    From Wordnik.com.  [The Diary and Letters of Madame D'Arblay — Volume 3] Reference