This is the 2762nd most frequent Swedish word.
utom
"Utom" means "except" or "besides."
In this sentence, 'utom' is used as a preposition indicating exclusion.
Alla kom till festen utom Sven.
Everyone came to the party except Sven.
Here, 'utom' is used to exclude an action from what is permitted.
Du får göra vad du vill utom att använda mobilen.
You may do whatever you want except use the phone.
In this case, 'utom' is used to exclude a particular item from a general category described.