blisteringly

adjective

1. causing a blister or blisters.
2. (especially of sunlight, heat, etc.) very severe or intense.
3. very fast or rapid: a blistering pace.

noun

4. the act or an instance of forming a blister or blisters.
5. a series or group of blisters, as on a painted surface.

adjective

1. (of weather) extremely hot
2. (of criticism) extremely harsh

n.

1. vesiculation