4
burn
4
gather(verb, inflamed, intensify)
4
go bad(verb, expression, idiom, stain, decay)
4
aggravate(verb, annoy, irritate, inflamed, intensify)
4
anger(verb, annoy, irritate, irk)
4
blister(verb, inflamed, intensify)
4
disintegrate(verb, decay, rot, decompose, molder)
4
gangrene
4
gnaw(verb, annoy, irritate, aggravate, irk)
4
hurt(verb, annoy, irritate, irk)
4
inflame(verb, annoy, provoke, agitate, irritate)
4
mold(uncleanness, rot, decompose, molder)
4
necrose
4
ooze
4
pain(verb, annoy, irritate, irk)
4
pimple(noun, disease)
4
pustule
4
smoulder
4
sore(adjective, disease)
4
spoil(verb, decay, rot, decompose, molder)
11 years ago|10k views|share |citing 
APASmart Define. (2015). fester thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/fester/thesaurus/synonyms
ChicagoSmart Define. 2015. "fester thesaurus" https://smartdefine.org/fester/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, fester thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/fester/thesaurus/synonyms>.
MLASmart Define. "fester thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/fester/thesaurus/synonyms>