
Seethe
Silent Fury
Use 'seethe' to describe extreme internal anger without obvious outward signs.

Despite her calm appearance, she was seething inside.
Sustained Anger
'Seethe' implies a lasting anger, not just a fleeting irritation.

He continued to seethe long after the argument was over.
Intensity Matters
The word 'seethe' is used for very strong emotions, not for minor annoyances.

She was seething with animosity after the betrayal.
Compare with
BoilBurnChurnFumeRageSimmerSmoulderStirStorm
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