Antonyms of adj unerring

1 sense of unerring

Sense 1
inerrable, inerrant, unerring -- (not liable to error; "the Church was...theoretically inerrant and omnicompetent"-G.G.Coulton; "lack an inerrant literary sense"; "an unerring marksman")

INDIRECT (VIA infallible) -> fallible -- (likely to fail or make errors; "everyone is fallible to some degree")

Similarity of adj unerring

1 sense of unerring

Sense 1
inerrable, inerrant, unerring -- (not liable to error; "the Church was...theoretically inerrant and omnicompetent"-G.G.Coulton; "lack an inerrant literary sense"; "an unerring marksman")
       => infallible (vs. fallible) -- (incapable of failure or error; "an infallible antidote"; "an infallible memory"; "the Catholic Church considers the Pope infallible"; "no doctor is infallible")