WordNet sense 1 (that which is below standard or expectations as of ethics or decency):

badness

WordNet sense 2 (not capable of being collected):

uncollectible

WordNet sense 3 (of low or inferior quality):

inferior

WordNet sense 4 (not conforming to the language usage of a prestige group within a community):

nonstandard

WordNet sense 5 (not financially safe or secure):

risky, speculative, high-risk

WordNet sense 6 (not sound financially):

unsound

WordNet sense 7 (very intense):

big

WordNet sense 8 (in an extreme degree):

intense

WordNet sense 9 (physically unsound or diseased):

unfit

WordNet sense 10 (not in or exhibiting good health in body or mind):

unhealthy

WordNet sense 11 (feeling or expressing regret or sorrow or a sense of loss over something done or undone):

regretful

WordNet sense 12 (characterized by wickedness or immorality):

immoral

WordNet sense 13 (morally bad or wrong):

evil

WordNet sense 14 (not favorable):

unfavorable

WordNet sense 15 (very bad in degree or extent):

severe

WordNet sense 16 (returned for lack of funds):

no-good

WordNet sense 17 (unsatisfactory):

poor

WordNet sense 18 (having the quality of something harmful or unpleasant):

negative

WordNet sense 19 (badly behaved):

naughty

WordNet sense 20 (distressing):

ill

WordNet sense 21 (very bad):

crappy, lousy, rotten

WordNet sense 22 (exceedingly bad):

horrid

WordNet sense 23 (unfortunate or hard to bear):

hard, tough

WordNet sense 24 (bad; unfortunate):

deplorable, distressing, lamentable, pitiful, sad, sorry

WordNet sense 25 (exceptionally bad or displeasing):

abominable, atrocious, awful, dreadful, painful, terrible

WordNet sense 26 (reproduced fraudulently):

forged

WordNet sense 27 (not genuine; imitating something superior):

counterfeit, imitative

WordNet sense 28 (not working properly):

defective

WordNet sense 29 (not performing or able to perform its regular function):

nonfunctional, malfunctioning

WordNet sense 30 ((of foodstuffs) not in an edible or usable condition):

spoiled, spoilt

WordNet sense 31 (showing deterioration from age):

stale

WordNet sense 32 (providing or experiencing physical discomfort):

uncomfortable

WordNet sense 33 (with great intensity (`bad' is a nonstandard variant for `badly')):

badly