causing disgust because bad

awful, detestable

terrible; dreadful

very bad; terrible

not pleasant or enjoyable

poor quality

very wicked, bad; likely to cause trouble

sinful, immoral

(of liquids) stinking

foul, rancid

causing disgust; having a bad smell or taste; very bad and strong

disgusting, dirty

(of a crime) extremely bad

horrifying, monstrous

not sanitary

dirty, unclean

disgusting, unpleasant; immoral; threatening

disgusting, offensive

harmful

deadly, injurious

(of smell, behaviour etc) very unpleasant

offensive, repulsive

very unpleasant; causing offence; used for, connected with, attacking

disrespectful, insulting; displeasing

too ripe

decayed, decaying

(of smells, tastes) very strong, sharp; (of remarks) very painful

highly flavored

having the smell or taste of stale fat or butter

rotten, strong-smelling

having gone bad; very unpleasant, ill, bad etc

decayed, decaying

having a bad smell

having a bad odor

(of food) dry and unappetizing because not fresh; uninteresting because heard before; (of an athlete, musician etc) no longer able to perform well because of too much playing, training, practice etc

old, decayed

not hygienic

dirty, unclean

unpleasant

revolting, sickening

shameful and disgusting; very bad

offensive, horrible