fallible
adjective
[ ˈfalɪb(ə)l ]
• capable of making mistakes or being wrong.
• "experts can be fallible"
Similar:
error-prone,
erring,
errant,
liable to err,
prone to err,
open to error,
imperfect,
flawed,
frail,
weak,
Origin:
late Middle English: from medieval Latin fallibilis, from Latin fallere ‘deceive’.