spleenful

That his motive in enlightening his employer upon those matters which went on in his absence was largely spleenful, even revengeful, there could be no doubt.

His nature was a complex affair, which combined many admirable qualities oddly mixed up with a disposition as sour and spleenful, even revengeful, as well could be.

A Peugeot had a headlight demolished by a spleenful buffalo; another car hit a giraffe.

Therefore, almost everyone in the House of Commons was flabbergasted when Spleenful Snowden cried: "I have never subscribed to the Balfour Note, which I think is an infamous note!"

Mounted on panthers' furs, and lions' manes, From rear to van they scour about the plains; A three days' journey in a moment done, And always at the rising of the sun, About the wilds they hunt, with spear and horn, On spleenful unicorn.