- The definition of brimstone is sulfur, usually referenced when describing hell.
An example of brimstone is something that burns in the fictional images of hell.
brimstone definition by Webster's New World
Origin: Middle English brimston ; from Old English brynstan: see burn and amp; stone
brimstone definition by American Heritage Dictionary
- a. Damnation to hell.b. Fiery or passionate rhetoric: “the great American evangelist of Yankee bargain-hunting, converting us . . . with the brimstone of his secular preaching” (Rushworth M. Kidder).
Origin: Middle English brimston, from Old English brynstān; see gwher- in Indo-European roots.