This is the 434th most frequent French word.
fédéral
Relating to a system of government in which several states form a unity but remain independent in internal affairs.
Here, 'fédéral' describes the government that operates at a national level, typically as opposed to state or local governments.
Le gouvernement fédéral a annoncé de nouvelles réformes.
The federal government announced new reforms.
Here, 'fédérale' (the feminine form) is used as an adjective to describe an agency that is part of the national government.
Elle travaille dans une agence fédérale spécialisée en sécurité.
She works in a federal agency specializing in security.
Here, 'fédérale' qualifies 'structure,' indicating a governmental system where power is divided between a central authority and constituent regions or states.