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

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

adj. (of events) having extremely unfortunate or dire consequences; bringing ruin; "the stock market crashed on Black Friday"; "a calamitous defeat"; "the battle was a disastrous end to a disastrous campaign"; "such doctrines, if true, would be absolutely fatal to my theory"- Charles Darwin; "it is fatal to enter any war without the will to win it"- Douglas MacArthur; "a fateful error"

adj. causing fear or dread or terror; "the awful war"; "an awful risk"; "dire news"; "a career or vengeance so direful that London was shocked"; "the dread presence of the headmaster"; "polio is no longer the dreaded disease it once was"; "a dreadful storm"; "a fearful howling"; "horrendous explosions shook the city"; "a terrible curse"

adj. bringing death

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. emphasizing what is laudable or hopeful or to the good; "constructive criticism"

adj. greater than zero; "positive numbers"

adj. characterized by or displaying affirmation or acceptance or certainty etc.; "a positive attitude"; "the reviews were all positive"; "a positive benefit"; "a positive demand"

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"