Pronunciation: (blä), [key] Slang.
1. nonsense; rubbish: What they say is blah.
2. the blahs,a feeling of physical uneasiness, general discomfort, or mild depression; malaise: After the long weekend many workers had the Monday-morning blahs.
insipid; dull; uninteresting.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.