The word "stickery" refers to something that is full of thorns, prickly or difficult to navigate. Some synonyms for this word include "thorny," "prickly," "bushy," "wild," "barbed," "bristly," "spiny," and "thistly." These words are often used to describe the physical environment, but they can also describe interpersonal relationships that are tricky or complex. Overall, these synonyms convey the idea of something that is not easy to approach or deal with, but rather requires care and attention. Whether you are describing a thorny bush or a sticky situation, these words will help you convey the complexity and challenge of your subject matter.