discolored

Discolored clouds swirled about the zenith, and the ground heaved underfoot.

Discolored blobs of puddled welding-rod held the thing together, but it looked sturdy enough.

Discolored photos, shards of personal belongings, snatches of transcripts blurred by being photocopied and handled so many times, evidence--of what?

WebMD Medical Reference: "Tongue Problem Basics: Sore or Discolored Tongue and Tongue Bumps."