(of liquids) stinking

foul, rancid

(of disease) that can be spread by means of bacteria carried in the air or in water

catching, spreading

disgusting, unpleasant; immoral; threatening

disgusting, offensive

too ripe

decayed, decaying

having poison; causing death or injury

harmful

(a position in) a category or class; grade in the armed forces; a line of people or things

stinking, foul

having gone bad; very unpleasant, ill, bad etc

decayed, decaying

causing, caused by infection (with disease germs)

harmful

having a bad smell

having a bad odor

poisonous (the usual word)

poisonous

deadly; spiteful

poisonous; hateful

(of a person) strong; (of ill-feeling, hatred) very strong; (of words etc) full hatred; (of a disease etc) very dangerous

poisonous, lethal