fallible[adjective]Synonyms: imperfect, erring, frail, ignorant, uncertain, weak 
Antonyms: infallible
Contrasted words: careful, heedful, inerrable, inerrant, unerring, exact, perfect, precise
Related Words: careless, 
faulty, 
heedless [TahlilGaran] English Synonym Dictionary ▲
 fal‧li‧ble /ˈfæləb
əl, ˈfælɪb
əl/ 
 adjective formal[
Date: 1400-1500; 
Language: Medieval Latin; 
Origin: fallibilis, from Latin fallere 'to deceive']
 able to make mistakes or be wrong
 Antonym : infallible: 
 Humans are fallible.
 Humans are fallible. These surveys are often a rather fallible guide to public opinion.—fallibility
 These surveys are often a rather fallible guide to public opinion.—fallibility /ˌfæləˈbɪləti, ˌfælɪˈbɪləti/
 noun [uncountable]  [TahlilGaran] Dictionary of Contemporary English ▲