pushdown noun 3adjective 2forms 1 noun3 •An exercise that requires one to push weight downward. •The relegation of the transformation or processing of data to the originating datasource. •A pushdown automaton. adjective2 •Used by being pushed down.The containers we always use for those are the OXO ones that have the pushdown button, so I think it probably does stay fresher than flour in a paper bag, and in that way, it works. — 2018 •Describing a stack in which items are removed in a LIFO manner from the end at which they were added. formspushdowns