Spinuliferous is a complex word that refers to an object or a surface covered or adorned with small spines or prickles. However, there are different synonyms that can be used to describe this characteristic. For instance, the word "spiny" can be used to express the same meaning. Similarly, we can use the terms "prickly" or "thorny" to refer to the same feature. Furthermore, the words "bristly" and "barbed" can also be used in the same context when describing a surface or an object with tiny spines. Lastly, the word "porcupine" can also be used figuratively to describe spinuliferous features, as porcupines are known for their spiky quills.