| CRU | of extreme importance |
|---|---|
| CRU | having the power or quality of deciding |
| CRU | of the greatest importance |
| CRU | having crucial relevance |
| CRU | a state of critical urgency |
| CRU | to a crucial degree |
| CRU | European carp closely resembling wild goldfish |
| CRU | shaped like a cross |
| CRU | a vessel made of material that does not melt easily |
| CRU | steel made by the mixture of molten wrought iron, charcoal, and other substances in a crucible |
| CRU | any of various plants of the family Cruciferae |
| CRU | plants with four-petaled flowers |