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[fuhz-ee] /ˈfʌz i/
adjective, fuzzier, fuzziest.
of the nature of or resembling fuzz:
a soft, fuzzy material.
covered with fuzz:
a plant with broad, fuzzy leaves.
indistinct; blurred:
A fuzzy photograph usually means you jiggled the camera.
muddleheaded or incoherent:
a fuzzy thinker; to become fuzzy after one drink.
Origin of fuzzy
First recorded in 1590-1600; fuzz1 + -y1
Related forms
fuzzily, adverb
fuzziness, noun
3. hazy, vague, unclear, foggy. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for fuzziness
Contemporary Examples
Historical Examples
  • Abruptly, both he and his wife were aware of a fuzziness in their thoughts and senses.

    Final Weapon Everett B. Cole
  • Note the fuzziness of the body and the "dust" which covers the wings.

  • She disliked the blurred outlines of fatness and fuzziness and fluffiness.

    The Tree of Heaven

    May Sinclair
  • I have tired myself out with reading, and the fuzziness of my unsleeping brain makes for melancholy.

  • He had gone back to his former state of fuzziness, and looked more like Rip van Winkle than ever.

    Our Elizabeth

    Florence A. Kilpatrick
  • The portrait was remarkable for that fuzziness of outline which seems to be inevitable in enlarged photographs.

    General John Regan George A. Birmingham
  • Perhaps the winds of the mountain being stronger, the fuzziness of his thought would be blown away?

    Eight Keys to Eden Mark Irvin Clifton
British Dictionary definitions for fuzziness


adjective fuzzier, fuzziest
of, resembling, or covered with fuzz
indistinct; unclear or distorted
not clearly thought out or expressed
(of the hair) tightly curled or very wavy
(maths) of or relating to a form of set theory in which set membership depends on a likelihood function: fuzzy set, fuzzy logic
(of a computer program or system) designed to operate according to the principles of fuzzy logic, so as to be able to deal with data which is imprecise or has uncertain boundaries
Derived Forms
fuzzily, adverb
fuzziness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for fuzziness



1610s, "soft, spongy," from fuzz + -y (2). Cf. Low German fussig "weak, loose, spongy," Dutch voos "spongy." From 1713 as "covered with fuzz;" 1778 as "blurred;" and 1937 as "imprecise," with reference to thought, etc. Related: Fuzzily; fuzziness.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for fuzziness



  1. (also fuzzie) A police officer; fuzz (1940s+)
  2. A certainty, esp a horse sure to win; sure thing (1950s+ Gambling)
The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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