This is the 1649th most frequent French word.
zéro
The numerical value of nothing; zero.
Here, 'zéro' is used to represent the numerical value of zero in the context of a scoring or ranking.
Son score était zéro après le premier tour.
His score was zero after the first round.
In this sentence, 'zéro' emphasizes the complete absence of possibility or likelihood quantitatively.
Il n'avait zéro pourcentage de chance de gagner.
He had zero percent chance of winning.
'Zéro' here is employed metaphorically to signify utter disbelief or lack of acknowledgment regarding the credibility of an idea.