Definition, synonyms and related words
A pot for boiling things; a boiler.
"The old copper seether on the stove whistled loudly as it brought the water to a rolling boil."
In plain English: A seether is someone who gets extremely angry and violent very quickly over small things.
"The seething crowd pushed forward until they reached the front doors."
Seether is a modern compound word formed by combining seethe with the agent suffix -er. It was first used to describe someone who is intensely angry or agitated, extending the original meaning of boiling water to human emotions.