■ verb
1》 (of a liquid) boil or be turbulent as if boiling.
↘ archaic cook (food) by boiling.
2》 be filled with intense but unexpressed anger.
3》 be crowded with people or things moving about in a rapid or hectic way.
Derivatives
seething adjective
seethingly adverb
Origin
OE sēothan 'make or keep boiling'.