| 1. | to be more important or significant by comparison: For years he overshadowed his brother. |
| 2. | to cast a shadow over; cover with shadows, clouds, darkness, etc.; darken or obscure: clouds overshadowing the moon. |
| 3. | to make sad or hang heavily over; cast a pall on: a disappointment that overshadowed their last years. |
| 4. | Archaic. to shelter or protect. |