also: なかのものもうすつかさ · すけのものもうすつかさ
medium-ranked councillor in the Department of State
Historical court rank in the ritsuryō system, below 大納言 and above 少納言. Part of the 太政官 (Department of State).
Chūnagon was one of the offices in the Department of State, ranking next to Dainagon.
In the Heian period, Chūnagon played an important role as a member of the high court nobility.