He passed for an Englishman, was agreeable, handsome, ill-tempered, hospitable and witty.
It was undoubtedly gratifying to be the husband of one of the handsomest and most popular young married women in New York, especially when she was also one of the sweetest-tempered and most reasonable of wives; and Archer had never been insensible to such advantages.
If Mrs. Beaufort had not taken the tone that such misfortunes (the word was her own) were "the test of friendship," compassion for her might have tempered the general indignation against her husband.
There are no more uses of "tempered" in the book.
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If you had only given me some hint, if you had only broken your word with me a couple of times, if you had been bad-tempered or impatient with me—if you had been a lesser man, maybe I could have taken what I saw you doing.
Harper Lee -- Go Set a Watchman
For the rest of the day, I’m short-tempered and distracted.