Meanings
PIFs1
noun
- pluralplural of PIF
PIFS2
nounPIFS (uncountable)
- abbreviationuncountablemedicineAbbreviation of post-infection/infectious fatigue syndrome
Synonyms: post-infectious fatigue syndrome, post-infection fatigue syndrome
Synonyms & antonyms
Origin
Abbreviation.
Full word history & related roots →Rhymes & wordplay
Anagrams
Cite this entry
APA
PIFs. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/PIFs
MLA
“PIFs.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/PIFs. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “PIFs,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/PIFs.
Source: PIFs on Wiktionary, CC BY-SA 4.0.