Definitions of blistering:

• noun:   the formation of vesicles
• adjective:   hot enough to raise (or as if to raise) blisters

  Example: "Blistering sun"

• adjective:   very fast

  Example: "A blistering pace"

• adjective:   marked by harshly abusive criticism
• adjective:   harsh or corrosive in tone

  Example: "Blistering criticism"