Simple past tense and past participle of array.(verb)
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Use "arrayed" in a sentence
"Nobody but Miss Cornelia would have come to make a call arrayed in a striped blue-and-white apron and a wrapper of chocolate print, with a design of huge, pink roses scattered over it."
"Think of that word arrayed -- he speaks of these, my little dumb friends, as if the very angels had been employed at their toilet."
"The clergy and the publicans, and the Parnellites were found "arrayed" in "scandalous alliance" against the Liberal cause."