ERRONEOUS a.
Containing error; not conformed to truth or justice; incorrect; false; mistaken; as, an erroneous doctrine; erroneous opinion, observation, deduction, view, etc. -- Er*ro"ne*ous*ly, adv. -- Er*ro"ne*ous*ness, n.
FAULTLESS a.
Without fault; not defective or imperfect; free from blemish; free from incorrectness, vice, or offense; perfect; as, a faultless poem. Whoever thinks a faultless piece to see, Thinks what ne'er was, nor is, nor e'er shall be. Pope.
ILL a.
Not according with rule, fitness, or propriety; incorrect; rude; unpolished; inelegant. That 's an ill phrase. Shak. Ill at ease, uneasy; uncomfortable; anxious. "I am very ill at ease." Shak. -- Ill blood, enmity; resentment. -- Ill breeding, want of good breeding; rudeness. -- Ill fame, ill or bad repute; as, a ho…