Meanings
nounfever blister (plural fever blisters)
plural fever blisters
- A cold sore, an outbreak of vesicles caused by herpes simplex viral infection, especially when recurring during another illness that causes fever.
Synonyms & antonyms
nouncaused by herpes simplex virus type 1 (HSV-1)
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Broader
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
From fever + blister, likely for an association with fever or other illness.
Full word history & related roots →Cite this entry
APA
fever blister. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/fever%20blister
MLA
“fever blister.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fever%20blister. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “fever blister,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/fever%20blister.
Source: fever blister on Wiktionary, CC BY-SA 4.0.