- 1[intransitive] + adv./prep. (often disapproving) (of people, animals, etc.) to move around in a large group Tourists were swarming all over the island.
- 2[intransitive] (of bees and other flying insects) to move around together in a large group, looking for a place to live Phrasal Verbsswarm with somebody/something
NAmE//swɔrm//Verb Forms present simple I / you / we / they swarm
he / she / it swarms
past simple swarmed
-ing form swarming