unerring Antonyms

not perfect specious off mistaken invalid inexact incorrect inappropriate inaccurate improper imperfect unreliable unsound untrue another think coming undependable off the beam imprecise all wet coloured unsuitable wrong vile untruthful flawed faulty bad atypical assuming artificial approximate apocryphal anomalous amorphous ambiguous abnormal biased black blue false fallible fallacious evil erroneous erring defective colored careless bogus aberrant