deconflict Syllabification: (de·con·flict)Pronunciation: /ˌdēkənˈflikt/Definition of deconflict verb [with object] Military reduce the risk of collision between (aircraft, airborne weaponry, etc.) in an area by coordinating their movements. Derivatives deconfliction noun deconflict in other Oxford dictionaries Definition of deconflict in the British & World English dictionary