hard


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Related to hard: die hard, Hard boiled eggs

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
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

hard

[härd]
(materials)
Quality of a material that is compact, solid, and difficult to deform.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in classic literature ?
I can speak with authority on the subject of being hard up.
It is wonderful what an insight into domestic economy being really hard up gives one.
Sometimes he was peevish and hard to please, sometimes he growled because his reader could not manage the dry books he wished to hear, and sometimes he was so despondent that her heart ached to see him.
Rose despised this taste at first, but soon got interested in Livingstone's adventures, Hobson's stirring life in India, and the brave trials and triumphs of Watt and Arkwright, Fulton, and "Palissy, the Potter." The true, strong books helped the dreamy girl; her faithful service and sweet patience touched and won the boy; and long afterward both learned to see how useful those seemingly hard and weary hours had been to them.
One day he had worked me hard in every way he could, and when I lay down I was tired, and miserable, and angry; it all seemed so hard.
I used to be hard sometimes: I'll never be hard again.
`I was sure glad,' Otto concluded, `that he didn't take his hard feeling out on that poor woman; but he had a sullen eye for me, all right!
It was only hard work when he had to break off the motion, which had become unconscious, and to think; when he had to mow round a hillock or a tuft of sorrel.
Easy as it was to mow the wet, soft grass, it was hard work going up and down the steep sides of the ravine.
In the fall one walks in the orchards and the ground is hard with frost under- foot.
She was a hard one, if ever there was a hard one yet.
Tell me, Pawnee, have you ever in your traditions heard of a mighty people who once lived on the shores of the Salt-lake, hard by the rising sun?"