If the block is of indefinite duration, then the protection may be likewise.

Returning home, I made all preparations for a trip of indefinite duration.

The detention is of indefinite duration, but its continued necessity must be examined by the competent authority once per year.

Fee simple: An estate of indefinite duration, that can be freely transferred.

You are assigned to special temporary duty of indefinite duration.

A general order of indefinite duration may be referred to as a standing order.

If it is over 20 years this it is of indefinite duration.

The dismissal was made on common-law rules, against agreements of indefinite duration.

For the first time, these strikes envisioned an air campaign against Afghanistan of indefinite duration.

But does this model apply in a war of indefinite duration?