The word pullulated means "to be abundant or teeming with". The following are some synonyms for pullulated: swarmed, thrived, flourished, burgeoned, proliferated, teemed, abounded, brimmed, overflowed, bustled, crowded, jammed, infested, filled, and swarmed. These words carry similar connotations and imply that a certain place or thing is filled with an excessive amount of something, whether it be people, organisms, or objects. Pullulated is a dynamic verb that paints a vivid picture of a space busting at the seams, which is why these synonyms are so useful for creating a clear and evocative image in the mind of the reader.