penecontemporary adjective 1noun 1forms 1 adjective1 •That lived or existed at almost the same time (as another/others); nearly contemporaryThe chalcolithic Corded Ware culture of North-Central and Eastern Europe has been found to display archaeological as well as genetic affinities to the penecontemporary Yamnaya horizon of the Pontic–Caspian Steppe. noun1 •That which is penecontemporary, living or existing at almost the same time (as another/others) formspenecontemporaries