Word.ws English Dictionary

FFI

FFI is the initialism of fatal familial insomnia.

FFI is the initialism of foreign function interface.

Meaning of fatal familial insomnia

Noun

fatal familial insomnia (uncountable)

  1. A very rare autosomal-dominant inherited prion disease of the brain, in which progressively worsening insomnia leads to hallucinations and delirium.

Forms of FFI

pluralFFIs

Questions about FFI

What is FFI the initialism of?
FFI is the initialism of fatal familial insomnia.

Words near FFI in the dictionary

  1. FFF
  2. fffffffuuuuuuuuuuuu
  3. FFFIPP
  4. FFFP
  5. FFG
  6. FFI
  7. FFIs
  8. Ffitch
  9. FFL
  10. FFLO
  11. FFLO phase

Source and license

Adapted from Wiktionary: FFI (page history and authors); fatal familial insomnia (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “FFI.” Word.ws, https://word.ws/ffi. Based on Wiktionary, CC BY-SA 4.0.