arrant C2+

/ˈæɹənt/ utter and complete, used to emphasize something bad M S

err C2+

/ɜr/ to make a mistake; to be wrong M S

errant C2+

/ˈɛrənt/ straying from the proper course or standards; wandering M S

erratic C2+

/əˈrætɪk/ irregular or unpredictable in movement, behavior, or quality M S

erroneous C2+

/ɪˈroʊniəs/ wrong; containing or based on error M S

erroneously C2+

/ɪˈroʊniəsli/ in a mistaken or incorrect manner M S

unerring C2+

/ʌnˈɜrɪŋ/ consistently accurate and never making a mistake M S