This is the 2658th most frequent Swedish word.
skärpta
"Skärpta" means "sharpened," "tightened," or "intensified" in English, depending on context.
Here, 'skärpta' is used as an adjective to describe the rules, indicating that they have become stricter.
De nya reglerna är mycket skärpta.
The new rules are very strict.
'Skärpt' here is an adjective describing a person, indicating mental sharpness or intelligence.
Hon är en mycket skärpt person.
She is a very sharp person.
'Skärpta' in this context refers to being mentally alert or focused, showing a figurative use of the term for a required state of mind.