Definitions
1.AdjectiveFilled with unexpressed anger; in a state of being livid.
2.AdjectiveIn a state of extreme volatility; about to boil over; boiling, bubbling.
3.AdjectiveIn a state of unceasing and furious activity.
4.NounThe action of the verb to seethe.
5.Verbpresent participle and gerund of seethe