adjective
1. : extremely hot : hot enough to blister
a blistering sun
2. slang : blamed , darned , damned
3. : acrimonious , withering , scathing
a blistering letter
4. : severe , intense
the troops fell back under a blistering assault from the enemy
invest human existence with something more … than a blistering misery — Norman Cousins
5. : very rapid : such as might be expected to cause blistering from frictional heat : scorching , grueling
the leader set a blistering pace
6. : of pressing and immediate importance
a blistering local issue
• blis·ter·ing·ly adverb