This is the 782nd most frequent Slovenian word.
zaprti
"Zaprti" means "to be closed" or "shut" in English.
In this context, 'zaprti' is used as an infinitive verb meaning 'to close'.
Moramo zaprti vrata pred dežjem.
We need to close the door to keep out the rain.
Here, 'zaprti' is used in its adjectival form to describe the state of being 'closed'.
Učenci so morali ostati zaprti v učilnici med vajo.
The students had to remain closed in the classroom during the drill.
In this sentence, 'zaprti' is used metaphorically to describe people who are emotionally closed-off.