Pronunciation: (di-struk'tiv), [key]
1. tending to destroy; causing destruction or much damage (often fol. by of or to): a very destructive windstorm.
2. tending to overthrow, disprove, or discredit (opposed to constructive): destructive criticism.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.