Meaning of ‘Abandon’ in English

Parents should never abandon their children.

Due to the storm, they had to abandon their camping trip.

The soldiers abandoned their post in the face of danger.

He had to abandon the project due to budget constraints.

The explorer had to abandon his quest due to the lack of supplies.

She abandoned her car on the side of the road after it broke down.

She had to abandon her dream of becoming an astronaut due to health issues.