Definition of "splenetic" [splen•e•tic]

• Of or relating to the spleen. (adjective)
• Affected or marked by ill humor or irritability. (adjective)
• A person regarded as irritable. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "I am told that "splenetic" language could be heard from the direction of the PM's office as soon as Brown read Darling's interview on Tuesday."
• "But even by the standards of this combustible issue, the attack on the Guardian mounted by Israel's ambassador to London last week was breathtakingly splenetic."
• "Unlike Mitchell he didn't send me the rejection letters, but from the tone of his voice it sounded like they were once again eye-poppingly splenetic."