[ 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.

Origin of fallible

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

Related forms

fal·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 Forms

fallibility 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