Simple past tense and past participle of infest.(verb)
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Use "infested" in a sentence
"To the mainland we were taken and thrown into a stinking, vermin - infested prison."
"That wretched apology of a creature stripped from me my dirt - encrusted shirt that I had worn since my entrance to solitary, and exposed my poor wasted body, the skin ridged like brown parchment over the ribs and sore-infested from the many bouts with the jacket."
"I was a fumbling mess typically just the boys I hang out with play, but yesterday I decided to tag along with them it was more fun than I thought it would be ... but I don't think I was born to toss a Frisbee into a chain infested basket things that I did wrong:"