"Mucilaged" is a rare and peculiar term that is not often heard in everyday conversation. It refers to something that is covered in a gelatinous or slimy substance. Synonyms for this unusual word might include "slimy", "gooey", "viscous", "sticky", "glutinous", "adhesive", "thick", and "gummy". Other possible synonyms that come to mind include "treacly", "clammy", "emollient", "oily", "unctuous", "unctuous", and "ropy". Whether describing the sticky residue left behind by glue or the slimy texture of cooked okra, there are plenty of options available to convey the same meaning as "mucilaged".