Definition of bad

What does the word bad mean?

• part of speech: noun

  (Also, chiefly colloq., of things that are in no case good) notable, decided, pronounced (b. blunder, headache, falling-off); b. egg, b. hat, (slang) person of b. character.

• part of speech: adjective

  (worse, worst), & n. (Negatively) worthless, inferior, deficient, of poor quality, incorrect, not valid, (b. air, corrupt; b. coin, debased; b. debt, not recoverable; b. food, not nourishing; go b., decay; with b. grace, reluctantly; b. shot, wrong guess; b. law, not sustainable; b. form, want of breeding; b. preeminence, disrepute; in a b. sense, unfavourable; b. success). (Positively) noxious, depraved, vicious, offensive, painful, (b. blood, ill feeling; b. for, injurious to); in ill health, injured, in pain, (she is b., worse, to-day; a b. leg). (N.) ill fortune (take the b. with the good). wrong side of account (£500 to the b.), ruin (go to the b.). Hence baddish (2) a. [middle English]