| 1. | to break or fail, as a machine or engine (often fol. by out): The engine conked out halfway there. |
| 2. | to slow down or stop; lose energy (often fol. by out). |
| 3. | to go to sleep (usually fol. by off or out). |
| 4. | to lose consciousness; faint (usually fol. by out). |
| 5. | to die (usually fol. by out). |
