so extremely ugly as to be terrifying; "a hideous scar"; "a repulsive mask"
grossly offensive to decency or morality; causing horror; "subjected to outrageous cruelty"; "a hideous pattern of injustice"; "horrific conditions in the mining industry"
fallibility as indicated by erring or a tendency to err
(Christianity) holding views that disagree with accepted doctrine; especially disagreement with papal infallibility; "he denies the errancy of the Catholic Church"