Furuncular is a term that describes a type of skin infection which is characterized by the formation of boils or abscesses on the skin. There are several synonyms for the word furuncular, including carbuncular, pustular, miliary, and follicular. Carbuncular refers to a severe form of furunculosis characterized by the multiple formation of boils on the skin. Pustular is another synonym used to describe a skin condition characterized by the formation of pus-filled vesicles on the skin. Miliary refers to a skin rash that is characterized by the formation of small, closely spaced blisters resembling grains of millet. Lastly, follicular refers to a skin condition that is caused by inflammation of the hair follicles on the skin.