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   Fi·ber

   /ˈfībər/

   

   noun

   • 1. a thread or filament from which a vegetable tissue, mineral substance, or textile is formed: "tropical elements like coconut fibers and branches" Similar threadstrandtendrilfilamenttechnical:fibril
   • ▪ a substance formed of threads or filaments: "ordinary synthetics don't breathe as well as natural fibers" Similar materialsubstanceclothfabricstuff
   • ▪ a threadlike structure forming part of the muscular, nervous, connective, or other tissue in the human or animal body: "there were degenerative changes in muscle fibers"
   • ▪ strength of character: "a weak person with no moral fiber" Similar strength of characterresolutionfortituderesolvemoral fiberbackbonespinemettlefirmness of purposetoughness of spiritsteelDunkirk spiritOpposite weaknesscowardice
   • 2. dietary material containing substances such as cellulose, lignin, and pectin, that are resistant to the action of digestive enzymes: "cereals high in fiber" Similar roughagebulkfibrous material

   Word Origin late Middle English (in the sense ‘lobe of the liver’, (plural) ‘entrails’): via French from Latin fibra ‘fiber, filament, entrails’.

   Derivatives

   • 1. fibered adjective
   • 2. fiberless adjective

   Scrabble Points: 10

   • F

     4

   • I

     1

   • B

     3

   • E

     1

   • R

     1

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