Meaning of uncoupled

1. The train cars became uncoupled as they traveled down the track.
2. The two lovers decided to uncouple after realizing they wanted different things in life.
3. The old wagon became uncoupled from the rest of the caravan, causing a delay in their journey.
4. The electrical wires became uncoupled, causing a power outage in the neighborhood.
5. The actress and her co-star uncoupled after rumors of a romantic relationship began to surface.
6. The machine automatically uncoupled the two parts for easy maintenance.
7. The car's trailer hitch became uncoupled while driving, causing a dangerous situation on the highway.
8. The train conductor quickly uncoupled the faulty car from the rest of the train to prevent any further issues.
9. The cable box became uncoupled from the television, resulting in a loss of signal.
10. The two countries decided to uncouple their economies in order to maintain independence.