noun, noun which may take the genitive case particle 'no'
without lights; unlit
Describes a state or condition of having no lights, often used for vehicles or areas at night.
夜道を無灯で自転車に乗るのは危険だ。
Riding a bicycle on a dark road without lights is dangerous.
無灯の船が川を下っていた。
An unlit boat was going down the river.