noun
Used as a noun modifier in compounds like サニタリーボックス (sanitary bin) or サニタリーパッド (sanitary pad). Rarely used as a standalone adjective.
トイレにサニタリーボックスが設置されている。
A sanitary bin is installed in the restroom.
noun
utility area; laundry room
Refers to a utility space in a kitchen or service area where laundry or cleaning equipment is kept. Often used in architectural or real estate contexts.
このマンションのキッチンにはサニタリーが付いています。
This apartment comes with a utility area in the kitchen.