undercard noun4 •A list of minor or supporting contests printed on the same bill as the main event (primarily fighting or racing, such as the main fight at a boxing match or wrestling, horse or car racing, etc.), occurring before or after the main event. •The events so listed. •The supporting candidate on a ticket, such as vice president. •A card lower than another given card or pair.The eight on the turn was another undercard to her pair of nines formsundercards