(third-person singular simple present seethes, present participle seething, simple past seethed or sod (archaic), past participle seethed or sodden (archaic))
- To boil.
- (intransitive, of a liquid) To boil vigorously.
- (intransitive, of a liquid) To foam in an agitated manner, as if boiling.
- (intransitive, of a person, figuratively) To be in an agitated or angry mental state, as if boiling.
- (intransitive, of a place, figuratively) To buzz with activity.
From Middle English sethen, from Old English sÄ“oÃ¾an (“to seethe, boil, cook in a liquid; subject to a fiery ordeal, try as with fire; subject to great pain, afflict, afflict grievously, disturb; prepare food for the mind; subject the mind with occupations; be troubled in mind, brood"), from Proto-Germanic *seuÃ¾anÄ… (“to seethe, boil"), from Proto-Indo-European *hâ‚‚seut-, *hâ‚‚sut-, *hâ‚‚sew- (“to move about, roil, seethe"). Akin to Scots seth, seith (“to seethe"), Dutch zieden (“to seethe, boil"), Low German seden (“to seethe"), German sieden (“to seethe, boil"), Danish syde (“to seethe, boil"), Swedish sjuda (“to seethe, boil"), Icelandic sjÃ³Ã°a (“to seethe, boil"). Related also to Gothic ðƒðŒ°ðŒ¿ðŒ¸ðƒ (sauÃ¾s, “burnt offering, sacrifice"). Other cognates include Albanian zjej (“boil, seethe").