A blast shockwave shield including an upright, monolithic body having a lateral center, and front and back sides, and a blast-facing, curved strike face formed on the upright, front side of the body, including a pair of companion, laterally spaced, laterally symmetric, non-coextensive, curved, strike-face portions, each of which defines a blast shockwave-deflection vector that is aimed upwardly, and laterally outwardly away from the shield's lateral center. This structure implements a method for blast shockwave deflection which includes the steps of engaging and intercepting such a shockwave with an upright, monolithic, solid-resistance instrumentality having a pair of laterally spaced, curved, non-coextensive strike-face portions, and, by those acts of engaging and intercepting, reversely deflecting an impinging shockwave.