press-on noun 1press on verb 1forms 4 noun[usually plural]1 •A fake nail that can be applied on top of one's real nail. press on verb1 •To persist, to continue to advance.And now she has the real dilemma: press on to King’s Landing, where I have no doubt she could get as close to killing Cersei as anyone else, or double back to Winterfell to reunite with her family. — 2017 formspressed on · pressing on · presses on · press-ons