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

adj. wishing or appearing to wish evil to others; arising from intense ill will or hatred; "a gossipy malevolent old woman"; "failure made him malevolent toward those who were successful"

adj. marked by deep ill will; deliberately harmful; "poisonous hate"; "venomous criticism"; "vicious gossip"

adj. dangerous to health; characterized by progressive and uncontrolled growth (especially of a tumor)

adj. causing destruction or much damage; "a policy that is destructive to the economy"; "destructive criticism"

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. 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 in or exhibiting good health in body or mind; "unhealthy ulcers"

adj. exceedingly harmful

adj. marked by quiet and caution and secrecy; taking pains to avoid being observed; "a furtive manner"; "a sneak attack"; "stealthy footsteps"; "a surreptitious glance at his watch"

adj. (unplayful)

adj. physically unsound or diseased; "has a bad back"; "a bad heart"; "bad teeth"; "an unsound limb"; "unsound teeth"

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. having the qualities or effects of a poison

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

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

adj. (used of statements) harmful and often untrue; tending to discredit or malign

adj. severely destructive; "cataclysmic nuclear war"; "a cataclysmic earthquake"

adj. extremely harmful; bringing physical or financial ruin; "a catastrophic depression"; "catastrophic illness"; "a ruinous course of action"

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

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

adj. causing physical or especially psychological injury; "a stabbing remark"; "wounding and false charges of disloyalty"

adj. promoting or enhancing well-being; "an arms limitation agreement beneficial to all countries"; "the beneficial effects of a temperate climate"; "the experience was good for her"