BAD

(LOW QUALITY) [adjective] - of unacceptably low quality; not acceptableI thought the film was really bad.Bad teachers can make children hate a subject.The plumber made rather a bad job of mending our pipes.The match has been postponed because of bad light.Are the company's current difficulties a result of bad (= harmful) luck or bad (= of low quality) judgment?He has some very bad habits.In some parts of the world, it is considered bad manners to pick up food or cutlery with the left hand. Bobby was sent home from school for bad behaviour.That remark was in (rather) bad taste, wasn't it?(UK dated) It's bad form to be late on your first day.I'm very bad at cooking (= cannot do it very well).To feel bad is to feel ashamed and sorry.Knowing that I hurt her makes me feel really bad.I feel bad about letting them down.Bad faith is dishonest or unacceptable behaviour.He was accused of bad faith in breaking his promise.They acted in bad faith by selling her a car that they knew to be faulty.Bad language is words that are considered offensive or taboo by most people.I think there's too much bad language on television.