of, relating to, or resembling a carbuncle, especially having a carbuncle or a red and inflamed area.

Origin of carbuncular

1730–40; < Latin carbuncul(us) (see carbuncle) + -ar1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for carbuncular

Historical Examples of carbuncular

Word Origin and History for carbuncular

1737, from Latin carbunculus (see carbuncle) + -ar.

Online Etymology Dictionary, © 2010 Douglas Harper