adj. likely to spread and cause an epidemic disease; "a pestilential malignancy in the air"- Jonathan Swift; "plaguey fevers"

adj. exceedingly harmful

adj. detrimental to physical or moral well-being; "unwholesome food"; "unwholesome habits like smoking"

adj. harmful to living things; "deleterious chemical additives"

adj. tending to favor preconceived ideas; "the presence of discriminatory or prejudicial attitudes in the white population"

adj. having undesirable or negative qualities; "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. not financially safe or secure; "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; "has a bad back"; "a bad heart"; "bad teeth"; "an unsound limb"; "unsound teeth"

adj. capable of harming; "bad air"; "smoking is bad for you"

adj. working or spreading in a hidden and usually injurious way; "glaucoma is an insidious disease"; "a subtle poison"

adj. controlled or decreed by fate; predetermined; "a fatal series of events"

adj. causing or capable of causing death; "a fatal accident"; "a deadly enemy"; "mortal combat"; "a mortal illness"

adj. (unplayful)

adj. causing or capable of causing harm; "too much sun is harmful to the skin"; "harmful effects of smoking"

adj. of an instrument of certain death; "deadly poisons"; "lethal weapon"; "a lethal injection"

adj. containing errors or alterations; "a corrupt text"; "spoke a corrupted version of the language"

adj. deliberately violating accepted principles of right and wrong

adj. morally bad or wrong; "evil purposes"; "an evil influence"; "evil deeds"

adj. contrary to your interests or welfare; "adverse circumstances"; "made a place for themselves under the most untoward conditions"

adj. indicating opposition or resistance

adj. characterized by active hostility; "opponent (or opposing) armies"

adj. having the qualities or effects of a poison

adj. (of plants) epidemic among plants of a single kind especially over a wide area; "an epiphytotic blight of potatoes"; "epiphytotic conditions associated with a single-plant agriculture"

adj. (of animals) epidemic among animals of a single kind within a particular region; "an epizootic disease"

adj. epidemic over a wide geographical area; "a pandemic outbreak of malaria"

adj. harmful to the mind or morals; "corrupt judges and their corrupting influence"; "the vicious and degrading cult of violence"

adj. not pleasing in odor or taste