De·struc·tive a. Causing destruction; tending to bring about ruin, death, or devastation; ruinous; fatal; productive of serious evil; mischievous; pernicious; -- often with of or to; as, intemperance is destructive of health; evil examples are destructive to the morals of youth.
Time's destructive power. --Wordsworth.
Destructive distillation. See Distillation.
Destructive sorties Logic, a process of reasoning which involves the denial of the first of a series of dependent propositions as a consequence of the denial of the last; a species of reductio ad absurdum.
Syn: -- Mortal; deadly; poisonous; fatal; ruinous; malignant; baleful; pernicious; mischievous.