This is the 756th most frequent Finnish word.
missään
"Missään" means "anywhere" or "in any place" in negative contexts.
Here, 'missään' is used in a negative sentence to mean 'anywhere'.
En nähnyt ketään missään.
I didn't see anyone anywhere.
In this sentence, 'missään' is used to indicate general negation, translated as 'in none'.
Missään talossa ei ollut valoja.
In none of the houses, there were lights.
'Missään' here is used in a question to mean 'anywhere'.