[ fal-uh-buhl ]
See synonyms for: falliblefallibility on Thesaurus.com

  1. (of persons) liable to err, especially in being deceived or mistaken.

  2. liable to be erroneous or false; not accurate: fallible information.

Origin of fallible

First recorded in 1375–1425; late Middle English, from Medieval Latin fallibilis, equivalent to Latin fall(ī) (passive of fallere “to deceive”) + -ibilis -ible

Other words from fallible

  • fal·li·bil·i·ty [fal-uh-bil-i-tee], /ˌfæl əˈbɪl ɪ ti/, fal·li·ble·ness, noun
  • fal·li·bly, adverb

Words Nearby fallible

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use fallible in a sentence

British Dictionary definitions for fallible


/ (ˈfælɪbəl) /

  1. capable of being mistaken; erring

  2. liable to mislead

Origin of fallible

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

Derived forms of fallible

  • fallibility or fallibleness, noun
  • fallibly, adverb

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