1. (verb) be noisy with activity

• buzz
• hum

2. (verb) be in an agitated emotional state

• boil

3. (verb) boil vigorously

• roll

1. (verb) be noisy with activity

• be

2. (verb) be in an agitated emotional state

• be

3. (verb) foam as if boiling

• effervesce
• fizz
• foam
• form bubbles
• froth
• sparkle

4. (verb) boil vigorously

• boil
• churn
• moil
• roil

1. (verb) be noisy with activity

• pullulate
• swarm
• teem

2. (verb) be in an agitated emotional state

• bubble over
• overflow
• spill over
• ferment
• sizzle

1. (verb) be noisy with activity

• buzz
• hum
• hum
• humming
• humming