seethe 
/ˈsi:ð/ verb
seethes; seethed; seeth·ing /ˈsi:ð/ verb [no obj] 1 : to feel or show strong emotion (such as anger) even though you try to control it
▪ He seethed at his brother's success. — often + with ▪ He seethed with anger/jealousy. ▪ The letter seethes with resentment. ▪ a seething letter 2 : to be in a state of constant activity
▪ We found ourselves in the middle of a seething crowd. — often used as (be) seething with ▪ The island is seething with tourists. [=there are very many tourists moving around on the island] ▪ The field was seething with crickets. ▪ His brain was seething with ideas.
▪ He seethed at his brother's success. — often + with ▪ He seethed with anger/jealousy. ▪ The letter seethes with resentment. ▪ a seething letter
▪ We found ourselves in the middle of a seething crowd. — often used as (be) seething with ▪ The island is seething with tourists. [=there are very many tourists moving around on the island] ▪ The field was seething with crickets. ▪ His brain was seething with ideas.
