overfold /ˈəʊvəfəʊld/noun 1verb 1forms 3 noun1 •A fold whereby the strata are forced through an angle of more than 90 degrees, so that younger strata lie below older ones.Thrusts were directed there; major overfolds bulged outwards towards the north. — 2004 verb1 •To fold excessively.The trick is to not overfold the ingredients; doing so causes the egg whites to deflate, resulting in a flat or soggy soufflé. — 2012 formsoverfolded · overfolding · overfolds