the GNU version of the Collaborative International Dictionary of English
adj. Displaying, or affected with, spleen; angry; fretful; melancholy.
The Century Dictionary and Cyclopedia
Full of or displaying spleen; angry; peevish; fretful; melancholy; hypochondriacal; splenetic.
Word Usage
"We regretted, for Thackeray's own sake, that he had permitted himself, in some spleenful moment, to commit an injustice, which would sooner or later be apparent to his own mind."