The Collaborative International Dictionary
Spleenful
Spleenful \Spleen"ful\, a. Displaying, or affected with, spleen; angry; fretful; melancholy.
Myself have calmed their spleenful mutiny.
--Shak.
Then rode Geraint, a little spleenful yet,
Across the bridge that spann'd the dry ravine.
--Tennyson.
Wiktionary
spleenful
a. Full of spleen; spiteful.