Very fast.
Of tremendous intensity, heat (thermal energy) or fervor; white-hot.
Sexually attractive.
Exceedingly angry.
The act of something that blazes or burns.
Very swift or quick.
Violent, severe.
Needing only a brief exposure time. (of a lens, plate, film, etc.)
Steep, changing altitude quickly. (of a slope)
a rough section of a river or stream which is difficult to navigate due to the swift and turbulent motion of the water.