Of, pertaining to, possessing, or caused by impact.(adjective)
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Use "impactive" in a sentence
"Spills will be greater and more impactive than Chemicals."
"NG use the most impactive and symbolic photo showing a Beijing citizen trying to stop the tank from entering the Tiananmen Square with bare hand for their designs."
"If officers are doing a thirty second call it maybe that officer is making a decision that is massively impactive and if they call it wrong they would be hauled over the coals and face discipline."