Spicular is an adjective that describes something that is formed or shaped like a small spike or needle. When searching for synonyms for spicular, one may consider terms such as prickly, pointed, sharp, needle-like, spiky, jagged, barbed, bristly, thorny, or acicular. These words can be used interchangeably with spicular, depending on the context in which the term is being used. Whether describing a physical object or using the term in a figurative sense, there are many options available to convey the same sentiment as spicular. Whatever the occasion calls for, these synonyms provide a rich and diverse vocabulary for expressing the idea of something sharp and spiky.