Overprotective (adjective)

1. Excessively concerned with protecting or shielding someone or something from harm.
2. Tending to be excessively controlling or restrictive in one's care or protection of someone or something.

Origin:

Derived from the phrase "over protective" which means "excessively protective".

Examples:

1. Her parents were overprotective and wouldn't let her go out with friends.
2. He felt that his boss was overprotective of the company's resources.
3. She was always overprotective of her younger siblings.
4. The government's new policy is seen as overprotective of the environment.
5. The coach is known for being overprotective of his players.