barnacled adjective6 •Crusted with barnacles. •(figurative) Thickly covered in something, as if with barnacles. •(figurative) Encumbered with something unnecessary or undesirable, especially through a slow, gradual process of accumulation. •Familiar with the ocean and/or seafaring. •Old and weathered, particularly with respect to persons or things associated with the ocean. •(figurative) Marked by personal experiences; worldly. formsmore barnacled · most barnacled