What does blistery mean?
Blistery is an adjective describing something marked by, covered with, or prone to blisters. Its most vivid extended use applies to weather: a 'blistery' day is one so hot and scorching that the air seems capable of raising blisters on exposed skin. In this sense it sits alongside more common terms such as 'blistering,' 'scorching,' and 'sweltering,' though it appears far less frequently in print and tends to carry an informal, almost tactile quality — readers feel the heat rather than merely read about it. The word derives from 'blister,' a term whose origins trace to Middle English and possibly Old Norse or Old French sources. Writers reach for 'blistery' when they want a sensory, physical image of heat or damage: blistery hands after manual labor, blistery pavements under a summer sun. Because it is uncommon, using it well signals deliberate word choice rather than habit.
adjectiveMarked by or covered with blisters, or characterized by conditions that cause blistering of the skin. Also used figuratively to describe intensely hot, scorching weather.
- Covered with or full of blisters; tending to form blisters.
- (Of weather) intensely hot and scorching; blazingly sunny.
"After a week of blistery heat, the pavement shimmered and the air itself seemed to burn."
"Her hands were blistery after an afternoon of raking without gloves."
"It was a blistery July afternoon, the kind that sent everyone scurrying for shade."
When the heat is so fierce it feels like it could raise blisters on your skin, English speakers reach for 'blistery' — a word that turns sunburn into scenery.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of blistery
Blistery is formed directly from 'blister,' a word recorded in English by the late Middle English period (14th century), likely borrowed from Old French 'blestre' or influenced by Old Norse 'blastr,' meaning a swelling or blow. The suffix '-y' was added to create an adjective meaning 'characterized by blisters.' Its figurative application to intensely hot weather developed later, by analogy with the way extreme heat can literally blister skin, making 'blistery' a sibling of the much more common 'blistering' in meteorological usage.
How blistery is actually used
'Blistery' is considerably less common than its near-synonym 'blistering.' When applied to weather, it is largely informal or journalistic in register. The literal sense — skin or surfaces covered with blisters — is the older and more concrete use.
Easily confused with blistery
'Blistering' is the far more common adjective for intense heat or blister-forming conditions, while 'blistery' is a less frequent variant describing something marked by actual blisters or blister-like conditions.