開あかずの

noun-modifying (irregular)

unopened; that does not open

Describes something that remains closed or inaccessible, often with a nuance of being permanently or stubbornly shut. Common in set phrases like 開かずの扉 (a door that never opens) or 開かずの踏切 (a railway crossing that rarely opens).

• この踏ふみ切きりは開あかずの踏ふみ切きりと呼よばれている。

noun-modifying (irregular)

forbidden; off-limits

Indicates something that is prohibited or not allowed to be opened or accessed. Often used in metaphorical or literary contexts, such as 開かずの間 (a forbidden room).

• あの部屋へやは開あかずの間まになっている。

  That room has become a forbidden room.