#1 seethe v. [hum, buzz] be noisy with activity; "This office is buzzing with activity". wn
#2 seethe v. [boil] be in an agitated emotional state; "The customer was seething with anger". wn
#3 seethe v. foam as if boiling; "a seething liquid". wn
#4 seethe v. [roll] boil vigorously; "The liquid was seething"; "The water rolled". wn
vizzz