Meaning & Definition of Swarm in English

1. A moving crowd

2. A group of many things in the air or on the ground

• "A swarm of insects obscured the light"

• "Clouds of blossoms"

• "It discharged a cloud of spores"

1. Be teeming, be abuzz

• "The garden was swarming with bees"

• "The plaza is teeming with undercover policemen"

• "Her mind pullulated with worries"

2. Move in large numbers

• "People were pouring out of the theater"

• "Beggars pullulated in the plaza"