How to Say "to swarm" in Spanish
The Spanish word for “to swarm” is “hervir” — B2 level.
English → SpanishB2
verbB2
lots of movement in a small space

Examples
La calle hervía de gente durante las rebajas.
The street was teeming with people during the sales.
El hormiguero hervía de actividad.
The anthill was swarming with activity.
Using 'de'
When you want to say a place is teeming 'with' something, use the word 'de' after hervir.
Learn Spanish with Inklingo
Interactive stories, personalized learning, and more.