Definition of destructive :
1. 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.
2. One who destroys; a radical reformer; a destructionist.
cataclysmal, negative, devastative, hazardous, unsafe, perilous, pernicious, help, unfortunate, risky, unhealthful, caustic, annihilatory, ruinous, noisome, annihilative, blasting, perverting, obliterating, mischievous, crushing, hurtful, noxious, damning, poisonous, cataclysmic, insalubrious, ravaging, soul-destroying, adverse, erosive, dangerous, annihilating, pestilential, vitriolic, corrosive, pestiferous, withering, fateful, obscurant, wasteful, unfavorable, unwholesome
destroying (part of speech: verb)
evil (part of speech: adjective)
evil, offensive, sinful, repugnant, terrible, disgraceful, calamitous, monstrous, revolting, abominable, sinister, heinous, nefarious, foul, bad, repellent, damnable, repulsive, loathsome, detrimental, hideous, wicked, baneful, atrocious, reprehensible
destructive (part of speech: adjective)
- On account of the first- named advantage, they are largely employed upon small gears, having their teeth cut true in a gear- cutting machine; while on account of the second advantage, interchangeable wheels, which are merely required to transmit motion, may be put in gear without a fine adjustment of the pitch circle, in which case the wear of the teeth will not prove destructive to the curves of the teeth. - "Modern Machine-Shop Practice, Volumes I and II", Joshua Rose.
- Josiah wuz considerable interested in the enormous display of rifles, and all the machinery for makin' 'em, and showin' how and where the destructive instruments used in war are made. - "Samantha at the World's Fair", Marietta Holley.
- And toward these other ills we take an attitude which is not wholly destructive. - "The Sources Of Religious Insight", Josiah Royce.