This is the 293rd most frequent Slovenian word.
zakaj
"Zakaj" means "why."
Here, 'zakaj' introduces a subordinate clause expressing the reason behind an action.
Ne vem, zakaj je odšel.
I don't know why he left.
Here, 'zakaj' is used as a relative conjunction to connect the reason with the main clause.
To je razlog, zakaj sem prišel.
This is the reason why I came.
Here, 'zakaj' is used as a question word meaning 'why' to inquire about the reason for someone's laughter.