Wanting good qualities, whether physical or moral; injurious, hurtful, inconvenient, offensive, painful, unfavorable, or defective, either physically or morally; evil; vicious; wicked; the opposite of good; as a bad man; bad conduct; bad habits; bad soil; bad health; bad crop; bad news.
Sometimes used substantively. The strong antipathy of good to bad. (Pope)
Synonym: pernicious, deleterious, noxious, baneful, injurious, hurtful, evil, vile, wretched, corrupt, wicked, vicious, imperfect.
Origin: probably fr. as. Baeddel hermaphrodite; cf. Baedling effeminate fellow.