splenetic

 
Pronunciation: /splɪˈnɛtɪk/

adjective

  • 1bad-tempered; spiteful: a splenetic rant

Derivatives

splenetically

adverb
splenetic (sense 1).

Origin:

late Middle English (as a noun denoting a person with a diseased spleen): from late Latin spleneticus, from Greek splēn (see spleen)