3.2 Gradable or non-gradable?

Read the following sentences taken from the first chapter of the novel The Canterville Ghost by Oscar Wilde and focus your attention on those adjectives in bold. Are they gradable or non-gradable?

• 'We have not cared to live in the place ourselves' said Lord Canterville, 'since my grand-aunt, the Dowager Duchess of Bolton, was frightened into a fit, from which she never really recovered, by two skeleton hands being placed on her shoulders as she was dressing for dinner ...
  
  
• 'My Lord,' answered the Minister, 'I will take the furniture and the ghost at a valuation. I come from a modern country, where we have everything that money can buy; and with all our spry young fellows painting the Old World red, and carrying off your best actors and prima-donnas, I reckon that if there were such a thing as a ghost in Europe, we'd have it at home in a very short time in one of our public museums, or on the road as a show.'
  
  
• Mrs. Otis, who, as Miss Lucretia R. Tappan, of West 53rd Street, had been a celebrated New York belle, was now a very handsome, middle-aged woman, with fine eyes, and a superb profile. Many American ladies on leaving their native land adopt an appearance of chronic ill-health, under the impression that it is a form of European refinement, but Mrs. Otis had never fallen into this error. She had a magnificent constitution, and a really wonderful amount of animal spirits.
  
  
• Their eldest son, christened Washington by his parents in a moment of patriotism, which he never ceased to regret, was a fair-haired, rather good-looking young man, who had qualified himself for American diplomacy by leading the German at the Newport Casino for three successive seasons, and even in London was well known as an excellent dancer. Gardenias and the peerage were his only weaknesses. Otherwise he was extremely sensible.