Unbreakable

The unbreakable agreement between the two parties was legally binding.

The unbreakable carbon fiber frame of the bicycle made it lightweight and sturdy.

The rope was unbreakable and able to support heavy weights.

The diamond is known for being unbreakable and highly valued for its durability.

The superhero's unbreakable shield protected him from all attacks.

The unbreakable plastic cover kept the book safe from water damage.

The unbreakable code protected the classified information.

The unbreakable will of the marathon runner propelled them to the finish line.

The unbreakable spirit of the protestors led to the downfall of the oppressive government.

The child's unbreakable toy car survived being thrown down the stairs without any damage.

The friendship between the two boys is unbreakable.

The code of ethics for lawyers is unbreakable.

The security measures in the building are unbreakable.

The agreement between the partners is unbreakable.

The treaty between the two countries is unbreakable.