[ fal-uh-buh l ]
/ ˈfæl ə bəl /


(of persons) liable to err, especially in being deceived or mistaken.
liable to be erroneous or false; not accurate: fallible information.

Nearby words

  1. fallen arch,
  2. fallen timbers,
  3. faller,
  4. fallfish,
  5. fallibility,
  6. falling,
  7. falling action,
  8. falling band,
  9. falling diphthong,
  10. falling door

Origin of fallible

1375–1425; late Middle English < Medieval Latin fallibilis, equivalent to Latin fall(ī) (passive of fallere to deceive) + -ibilis -ible

Related formsfal·li·bil·i·ty, fal·li·ble·ness, nounfal·li·bly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for fallible

British Dictionary definitions for fallible


/ (ˈfælɪbəl) /


capable of being mistaken; erring
liable to mislead
Derived Formsfallibility or fallibleness, nounfallibly, adverb

Word Origin for fallible

C15: from Medieval Latin fallibilis, from Latin fallere to deceive

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

Word Origin and History for fallible



early 15c., from Medieval Latin fallibilis "liable to err, deceitful." literally "that can be deceived," from Latin fallere "deceive" (see fail).

Online Etymology Dictionary, © 2010 Douglas Harper