Zooidal is a rare and complex word that describes creatures or structures that resemble animals or are composed of many small animals. Synonyms for zooidal include zooid, zoarium, polypide, and colony. Zooid refers to a single animal in a colonial organism, while zoarium refers to a collection of zooids. Polypide describes the individual animals that make up a bryozoan colony. Colony is a general term used to describe a group of organisms, although it is often associated with colonial animals like ants or bees. These synonyms can be useful for scientific or academic writing when discussing the complex structures of colonial creatures.