If . . . not

Usage examples of unless.

The Chief Dietitian will be accommodated on the casualty deck, it requires no special life-support and it will not risk damaging your light-gravity furniture and equipment by going forward, unless at your express invitation.

Fritigern was doubtful whether he could accomplish the conclusion of the treaty, unless he found himself supported by the presence and terrors of an Imperial army.

Yet he does not have the ability to will good in freedom and to do it in accord with reason unless he is regenerated.

Now, since the Lord wills that a man be reformed and regenerated in order that eternal life or the life of heaven may be his, and none can be reformed or regenerated unless good is appropriated to his will and truth to his understanding as if they were his, and only that can be appropriated which is done in freedom of the will and in accord with the reason of the understanding, no one is reformed in states of no freedom or rationality.

Unhappily I have never been able to repay this debt, unless my gratitude be accounted repayment.

Let us therefore not attempt to dislodge the Greek astronomer from his pedestal as the discoverer of precession unless we can find a significantly more accurate value recorded in a significantly more ancient source.

Esterases in the body break the drug down rapidly into acetylcholine, so it is also likely to be undetectable, unless the target happens to croak right outside a primo medical center with a very sharp pathologist who is looking for something out of the ordinary.

It cannot be truly international unless it accords to its affiliated bodies full freedom in matters of policy and forms of struggle on the basis of such program and principles, so that the Socialists of each country may work out their problems in the light of their own peculiar economic, political and social conditions as well as the historic traditions.

Unless, Miller had said, you used it as a fuse, a primer, stuck to the tons of Amatol or Torpex or whatever they used.

It appears to me that the dye must have been anatto, unless the muslin, originally red, turned rose-colour through the action the balsam and of time.

Also I was annoyed that the male had stirred my blood at a time I might not see it cooled again, unless I pulled him into a quiet corner as he had done with me.

We had relied on our current textbook understanding of the disease: Inhalational anthrax disease does not occur unless there is direct inhalation of more than ten thousand spores.

In an analysis that is over thirty years old and conducted long before we developed the National Pharmaceutical Stockpile and early-mobilization program, the World Health Organization estimated in 1970 that the release of aerosolized anthrax over a densely populated area with 5 million people could result in 250,000 casualties, 100,000 of whom would die unless treated.

Assume you have the flu unless: Anthrax exposure or cases are reported in your community.

Judge must here take note that, as soon as he has given these fitting apostils to the appellant, he at once ceases to be the Judge in that cause from which the appeal was made, and can proceed no further in it, unless it be referred back to him by our Most Holy Lord the Pope.