The word "leakey" is somewhat uncommon, and therefore it may be difficult to find perfect synonyms for it. However, depending on the context in which the word is used, there are some possible synonyms that may be appropriate. Some possible synonyms for "leakey" include "leaky," "dripping," "spilling," "oozing," "weeping," "draining," and "permeable." These words all express the sense of a substance or liquid seeping out or escaping from a container or enclosure. In general, the word "leakey" tends to be used more colloquially, and may often be replaced with more standard terms like "leaking" or "spilling".