Read the dictionary definition of pullulate. All definitions for this word.
1. breed freely and abundantly
2. become abundant; increase rapidly
3. produce buds, branches, or germinate
1. the potatoes sprouted
4. move in large numbers
1. people were pouring out of the theater
2. beggars pullulated in the plaza
5. be teeming, be abuzz
1. The garden was swarming with bees
2. The plaza is teeming with undercover policemen
3. her mind pullulated with worries