Synonyms of seething

Verb

1. hum, buzz, seethe, be

usage: be noisy with activity; "This office is buzzing with activity"

2. seethe, boil, be

usage: be in an agitated emotional state; "The customer was seething with anger"

3. seethe, foam, froth, fizz, effervesce, sparkle, form bubbles

usage: foam as if boiling; "a seething liquid"

4. seethe, roll, churn, boil, moil, roil

usage: boil vigorously; "The liquid was seething"; "The water rolled"

Adjective

1. seething, agitated (vs. unagitated)

usage: in constant agitation; "a seething flag-waving crowd filled the streets"; "a seething mass of maggots"; "lovers and madmen have such seething brains"- Shakespeare