Simple past tense and past participle of redline. (verb)
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Use "redlined" in a sentence
"A few suggested edits are above – I’m not sophisticated enough to show them in redlined form."
"Or it could be that low-cost lenders deliberately "redlined" (i.e., avoided) and high-cost lenders targeted (i.e., preyed) on segregated areas."
"Majola said residents in Meadowlands and numerous other townships around South Africa had been "redlined" in 1995 - which means they were subject to banks 'blanket refusal to grant mortgages to home owners."