Word forms: plural, 3rd person singular presenttense, plural yellow cards, present participle yellow carding, past tense, past participle yellow carded1. countable noun [usually singular]In football or rugby, if a player is shown the yellow card, the referee holds up a yellow card to indicate that the player has broken the rules, and that if they do so again, they will be ordered to leave the pitch.
2. verb [usually passive]In football or rugby, if a player is yellow carded, they are shown the yellow card by the referee.
[journalism] He was the only player to be yellow-carded five times in last season's ChampionsLeague competition. [be VERB-ed]