hard

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hard

1. Chem (of water) impairing the formation of a lather by soap
2. (of alcoholic drink) being a spirit rather than a wine, beer, etc.
3. (of a drug such as heroin, morphine, or cocaine) highly addictive
4. Physics (of radiation, such as gamma rays and X-rays) having high energy and the ability to penetrate solids
5. Physics (of a vacuum) almost complete
6. Chiefly US (of goods) durable
7. politically extreme
8. Brit a roadway across a foreshore

hard

[härd]
(materials)
Quality of a material that is compact, solid, and difficult to deform.
References in classic literature ?
If we had 'these hard and fast rules,' we should find life much more simple.
And then, in triumph, with no more veering and yawing, we sailed into Benicia, the King of the Greeks bound hard and fast in the cockpit, and for the first time in his life a prisoner of the fish patrol.
I am not at the helm of State, the decision of great questions of this kind is not within my province; but, setting these considerations aside, there are other difficulties in the way of laying down hard and fast rules as to government.