1. in a manner that is extremely hot or intense; with intense heat or severity
Usage: often used to describe weather, criticism, or performance
2. at a very fast speed; with great rapidity
Usage: informal

Examples

• The sun beat down blisteringly on the desert sand.
• The critic gave a blisteringly honest review of the film.
• She delivered a blisteringly fast performance on the violin.
• The team played blisteringly well in the second half.
• It was a blisteringly hot day, with temperatures near 100 degrees.
• He launched a blisteringly sarcastic attack on his opponent's argument.