- 2(Of a person) be filled with intense but unexpressed anger: inwardly he was seething at the slight to his authorityMore example sentences
be angry, be furious, be enraged, be incensed, be infuriated, be beside oneself, have lost one's temper, have/throw a fit, boil, simmer, be boiling over, chafe, rage, be in a rage, rant, rave, rant and rave, storm, fume, smoulder, spit, breathe fire, burn• informal be livid, be wild, jump up and down, froth/foam at the mouth, be steamed up, be hot under the collar, have steam coming out of one's earsBritish • informal do one's head/nut in, throw a wobbly, spit feathers
- She was seething, but her anger was frighteningly under control.
- The product of a broken home, Tim seethes with a silent rage that manifests itself in exceedingly destructive ways.
- Inwardly he was seething with rage against himself.
- 3(Of a place) be crowded with people or things moving about in a rapid or hectic way: the entire cellar was seething with spidersMore example sentences
- Vienna was a city seething with officials from newly placed international organisations.
- The marine environment seethes with a jumble of signals.
- 3.1 [with adverbial of direction] (Of a crowd of people) move in a rapid or hectic way: we cascaded down the stairs and seethed across the station (as adjective seething) the seething mass of commutersMore example sentences
- There's a rich irony in the fact that we load our supermarket trolleys with antibacterial cleaners when we ourselves are seething masses of bacteria of endless variety.
- One moment there was an expanse of green grass, and then, as if by magic, there was a seething, moving mass of blue and white, moving, singing, and embracing, as players struggled to reach the stand.
- She had plunged her hand into the dirty washing basket, only to a find it a seething black mass of ants, attracted by my son's ice-lolly-soaked T-shirt.
Old English sēothan 'make or keep boiling', of Germanic origin; related to Dutch zieden.