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nonstandard; "so-called bad grammar"
below average in quality or performance; "a bad chess player"; "a bad recital"
not capable of being collected; "a bad (or uncollectible) debt"
(comparative of `ill') in a less effective or successful or desirable manner; "he did worse on the second exam"
(comparative of `bad') inferior to another in quality or condition or desirability; "this road is worse than the first one we took"; "the road is in worse shape than it was"; "she was accused of worse things than cheating and lying"
feeling physical discomfort or pain (`tough' is occasionally used colloquially for `bad'); "my throat feels bad"; "she felt bad all over"; "he was feeling tough after a restless night"
changed for the worse in health or fitness; "I feel worse today"; "her cold is worse"
(of foodstuffs) not in an edible or usable condition; "bad meat"; "a refrigerator full of spoilt food"