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

liable to be erroneous or false; not accurate

fallible information.

adjective

certain , correct , definite , infallible , perfect , reliable , strong , sure , unerring

adjective

careless , deceptive , errable , errant , erring , faulty , frail , heedless , human , ignorant , imperfect , in question , liable , mortal , questionable , uncertain , unreliable , untrustworthy , weaknotes:fallacious means intended to deceive; fallible means liable to make a mistake or to be inaccurate or erroneous; false means not in accordance with the fact or reality or actuality , or deliberately deceptive , or not genuine or real , erratic , erroneous , unsure