Adjective

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Positive
brimstone

Comparative
none

Superlative
none

  1. If something or someone is brimstone, they are made up of or they look like brimstone; about or related to Hell.

Singular
brimstone

Plural
brimstones

  1. (countable & uncountable) Brimstone is sulphur.
  2. (countable & uncountable) Brimstone is the sulphur of Hell.

Usage notes

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This word is usually used in relation to the Bible or other such things.