boil vigorously; "The liquid was seething"; "The water rolled" foam as if boiling; "a seething liquid" be in an agitated emotional state; "The customer was seething with anger
When you are seething, you are very angry about something but do not express your feelings about it. She took it calmly at first but under the surface was seething She grinned derisively while I seethed with rage He is seething at all the bad press he is getting. a seething anger fueled by decades of political oppression
emphasis If you say that a place is seething with people or things, you are emphasizing that it is very full of them and that they are all moving about. The forest below him seethed and teemed with life Madrigueras station was a seething mass of soldiers