bad

(noun) that which is below standard or expectations as of ethics or decency. Synonyms: badness. Examples: "Take the bad with the good."

(adj) having undesirable or negative qualities. Synonyms: bad (vs. good). Examples: "A bad report card." "His sloppy appearance made a bad impression." "A bad little boy." "Clothes in bad shape." "A bad cut." "Bad luck." "The news was very bad." "The reviews were bad." "The pay is bad." "It was a bad light for reading." "The movie was a bad choice."

(adj) very intense. Synonyms: big. Examples: "A bad headache." "In a big rage." "Had a big (or bad) shock." "A bad earthquake." "A bad storm."

(adj) feeling physical discomfort or pain (`tough' is occasionally used colloquially for `bad'). Synonyms: tough. Examples: "My throat feels bad." "She felt bad all over." "He was feeling tough after a restless night."

(adj) (of foodstuffs) not in an edible or usable condition. Synonyms: spoiled, spoilt. Examples: "Bad meat." "A refrigerator full of spoilt food."

(adj) feeling or expressing regret or sorrow or a sense of loss over something done or undone. Synonyms: regretful (vs. unregretful), sorry. Examples: "Felt regretful over his vanished youth." "Regretful over mistakes she had made." "He felt bad about breaking the vase."

(adj) not capable of being collected. Synonyms: uncollectible. Examples: "A bad (or uncollectible) debt."

(adj) below average in quality or performance. Examples: "A bad chess player." "A bad recital."

(adj) nonstandard. Examples: "So-called bad grammar."

(adj) not financially safe or secure. Synonyms: risky, high-risk, speculative. Examples: "A bad investment." "High risk investments." "Anything that promises to pay too much can't help being risky." "Speculative business enterprises."

(adj) physically unsound or diseased. Synonyms: unfit, unsound. Examples: "Has a bad back." "A bad heart." "Bad teeth." "An unsound limb." "Unsound teeth."

(adj) capable of harming. Examples: "Bad air." "Smoking is bad for you."

(adj) characterized by wickedness or immorality. Examples: "Led a very bad life."

(adj) reproduced fraudulently. Synonyms: forged. Examples: "Like a bad penny...." "A forged twenty dollar bill."

(adj) not working properly. Synonyms: defective. Examples: "A bad telephone connection." "A defective appliance."

(adv) with great intensity (`bad' is a nonstandard variant for `badly'). Synonyms: badly. Examples: "The injury hurt badly." "The buildings were badly shaken." "It hurts bad." "We need water bad."

(adv) very much; strongly. Synonyms: badly. Examples: "I wanted it badly enough to work hard for it." "The cables had sagged badly." "They were badly in need of help." "He wants a bicycle so bad he can taste it."