1. (a.) Incorrect; false; mistaken; as, an erroneous opinion\, observation, deduction, view, etc.

2. (a.) Wandering; straying; deviating from the right course; -- hence, irregular; unnatural.

3. (a.) Misleading; misled; mistaking.

Albigensian Arian Catharist Donatist Ebionitist Erastian Gnostic Jansenist Jansenistic Jovinianist Jovinianistic Lollard Manichaean Monophysite Monophysitic Montanist Montanistic Pelagian Sabellian Waldensian Wyclifite aberrant abroad adrift adulterated all abroad all off all wrong amiss antinomian apocryphal askew astray at fault awry barbarous beside the mark blemished botched bungled careless contrary to fact corrupt counterfeit damaged deceptive defective deficient delusive deviant deviational deviative distorted emanationist errant erring fallacious fallible FALSE faultful faulty flawed found wanting heretical heterodox hylotheist hylotheistic illogical illusory immature impaired imperfect imprecise improper impure in error inaccurate inadequate incomplete incorrect inexact infelicitous invalid lacking loose makeshift mediocre misguided misleading mistaken mixed nonorthodox not perfect not right not true off off the track out pantheist pantheistic partial patchy peccant perverse perverted planetary self-contradictory short sketchy slipshod slovenly solecistic specious spurious straying truthless unaccepted unapproved unauthentic unauthoritative uncanonical undeveloped uneven unfactual unfinished unfounded ungrammatic unorthodox unperfected unproved unscriptural unsound unthorough untrue wanting wide wrong