1. (n.) To generate pus; to become inflamed and suppurate; as, a sore or a wound festers.

2. (n.) To be inflamed; to grow virulent, or malignant; to grow in intensity; to rankle.

3. (v. t.) To cause to fester or rankle.

4. (n.) A small sore which becomes inflamed and discharges corrupt matter; a pustule.

5. (n.) A festering or rankling.

abscess afflict agonize ail aposteme bed sore bite blain bleb blister boil break up bubo bulla bunion burn canker canker sore carbuncle chafe chancre chancroid chilblain cold sore convulse corrupt crucify crumble crumble into dust cut decay decompose disintegrate distress eschar excruciate fall into decay fall to pieces felon festering fever blister fistula fret furuncle furunculus gall gangrene gathering give pain gnaw go bad go to pieces grate grind gripe gumboil harrow hemorrhoids hurt inflame inflict pain irritate kibe kill by inches lacerate lesion martyr martyrize matter mildew mold molder mortify necrose nip ooze pain papula papule paronychia parulis petechia pierce piles pimple pinch pock polyp prick prolong the agony pustule put to torture putrefy putresce rack rankle rasp ripen rising rot rub run scab smoulder soft chancre sore sphacelate spoil stab stigma sting sty suppurate suppuration swelling torment torture tubercle tweak twist ulcer ulcerate ulceration wale weep welt wheal whelk whitlow wound wring