By which he meant at some indefinite time in the past.

Not at some indefinite time in the future, but right now.

To aid the cause, this will be my last formal post for an indefinite time.

The answer was never given immediately and the groom had to wait an indefinite time for it.

More than that, there's no saying when we may come home again; and it would never do to take him away for an indefinite time.

The public interest demands that for an indefinite time there be no release of news.

The situation gets tense and the mother leaves the house for an indefinite time.

This also put a stop to the planned rebuilding, so we had indefinite time to work.

He did not sleep, exactly, but rested for some indefinite time.

There is no neutral way station where any party to the conflict can take an indefinite time out.