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. |
| 3. | insipid; dull; uninteresting. |

blah
[blɑ]
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