Definition of "infiltrative" []

• That infiltrates (adjective)

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• "It is inoperable, this infiltrative film of destructive cells, and while the oncologists were consulted and made plans for chemotherapy, it seemed best to let Grace and her family go back home."
• "Although paranoid, secretive, infiltrative are fair enough."
• "Mrs. Edwards will be undergoing further testing of her infiltrative ductal carcinoma of the breast, to determine how far it's spread and whether or not a mastectomy or lumpectomy is indicated."