seethe

verbs

be noisy with activity
"This office is buzzing with activity"
be in an agitated emotional state
"The customer was seething with anger"
foam as if boiling
"a seething liquid"
is a type of (narrower)
become bubbly or frothy or foaming
"The boiling soup was frothing"; "The river was foaming"; "Sparkling water"
boil vigorously
"The liquid was seething"; "The water rolled"