This is the 10326th most frequent French word.
interdisent
"Interdisent" means "they forbid" or "they prohibit."
In this sentence, "interdisent" demonstrates the authoritative prohibition enacted by schools concerning a certain behavior, with the subject "schools" being plural.
Les écoles interdisent l'utilisation des téléphones en classe.
Schools prohibit the use of phones in class.
Here, "interdisent" signifies a legal prohibition imposed by laws, showing its application in an institutional or legal context.
Les lois interdisent la consommation de certaines substances.
Laws prohibit the consumption of certain substances.
This usage of "interdisent" illustrates a personal prohibition made by parents directed towards their children.