I had seen the captain, and Black Dog, and the blind man, Pew, and I thought I knew what a buccaneer was like—a very different creature, according to me, from this clean and pleasant-tempered landlord.
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.