| BLU | characterized by profanity or cursing |
|---|---|
| BLU | low in spirits |
| BLU | morally rigorous and strict |
| BLU | belonging to or characteristic of the nobility or aristocracy |
| BLU | used to signify the Union forces in the Civil War (who wore blue uniforms) |
| BLU | suggestive of sexual impropriety |
| BLU | wearing blue |
| BLU | African plant with bright green evergreen leaves and umbels of many usually deep violet-blue flowers |
| BLU | the sky as viewed during daylight |
| BLU | the sodium salt of amobarbital that is used as a barbiturate |
| BLU | ash of central and southern United States with bluish-green foliage and hard brown wood |
| BLU | an infant born with a bluish color |