scorching

To burn the surface of something so as to discolour it

To wither, parch or destroy something by heat or fire, especially to make land or buildings unusable to an enemy

(To cause) to become scorched or singed

The act or result of something being scorched.

Very hot.

"It was a scorching summer, and the ice-cream sellers plied a roaring trade."

Bitterly sarcastic; scathing; withering.

(Of speed when driving, running, etc.) very high.