seethe

seethe (http://definr.com/seethe)

     v 1: be noisy with activity; "This office is buzzing with
          activity" [syn: hum, buzz]
     2: have violent emotions, such as anger or frustration [syn: boil]
     3: be in an agitated emotional state
     4: foam as if boiling; "a seething liquid" [syn: foam]
     5: boil vigorously; "The liquid was seething" [syn: roll]