Simple past tense and past participle of gradate.(verb)
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Use "gradated" in a sentence
"It had a gradated sense of depth, as opposed to Alice, which had a paper cutout feel to it."
"PRO POTENTIAL: There are no potentially high draft choices coming out of West Virginia this season, as the team gradated very few players off its starting units."
"The second has a more gradated hue to it - lighter on one side then the other."