from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Inclined to melancholy.
- adj. Having a peevish disposition; surly.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. characterized by melancholy
- adj. ill-natured; malevolent
from the GNU version of the Collaborative International Dictionary of English
- adj. Melancholic or hypochondriac; atrabiliary.
from The Century Dictionary and Cyclopedia
- Affected as if by black bile; melancholic or hypochondriacal; splenetic. See atrabile.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. irritable as if suffering from indigestion
From Latin ātra bīlis, black bile (translation of Greek melankhōliā) : ātra, black; see āter- in Indo-European roots + bīlis, bile.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin ātra bīlis ("black bile"), from āter ("dark, black"), + bīlis ("bile"). Then the adjective suffix -ous ("full of") was added. (Wiktionary)