Splenetic

Splen"e*tic, n. A person affected with spleen.

Splen"e*tic (?), a. [L. spleneticus: cf. F. splénétique. See Spleen.] Affected with spleen; malicious; spiteful; peevish; fretful. "Splenetic guffaw." G. Eliot.

You humor me when I am sick;
Why not when I am splenetic?
Pope.

Syn. -- Morese; gloomy; sullen; peevish; fretful.