Simple past tense and past participle of impurple.(verb)
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Use "impurpled" in a sentence
"And Aylmer, excluding the sunshine, which would have interfered with his chemical processes, had supplied its place with perfumed lamps, emitting flames of various hue, but all uniting in a soft, impurpled radiance."
"Tawny filemot gilding the valleys, each seam and rut a scroll or arabesque, and all the year pouring out her heart's blood to flush the maples, the great impurpled granites warm with the sunshine they have drunk all summer!"
"A tender after-glow impurpled all the heaven like a remembered passion, and bathed field and fallow in its bloom."