English edit

Adjective edit

XF (not comparable)

  1. (philately) Initialism of extremely fine or extra fine; also EF.
  2. (numismatics slang) Initialism of extremely fine.

Translations edit

Proper noun edit

XF

  1. Initialism of The X-Files.
    • 2005 June 25, campylobacter, “Re: Never Again question”, in alt.tv.x-files[1] (Usenet):
      That "Barbie Shippers" faction of XF fandom is currently cloistering itself somewhere in really dreadful, schmoopy fanfic where no other character threatens the purity of their "deep, abiding luv".

Anagrams edit