The phrase "in curiosities" can be interpreted as referring to something that is obscure, unusual, or strangely fascinating. Synonyms for this phrase could include terms such as oddities, anomalies, novelties, curios, marvels, or eccentricities. Each of these words carries a slightly different connotation, underscoring the unique appeal of the item or phenomenon being described. For example, an oddity might refer to something peculiar and outside the norm, while a novelty could describe a recently-introduced concept or product. Choosing the right synonym for "in curiosities" will depend on the specific context and what type of object or idea is being discussed.