This is the 969th most frequent Swedish word.
frida
"Frida" is a Swedish female given name, meaning "peace" or "beloved."
Here, 'Frida' is used as a proper noun, a name of a person.
Frida är min bästa vän.
Frida is my best friend.
In this sentence, 'frida' is used as an adjective, meaning serene or peaceful.
Vi känner oss lugna och frida vid sjön.
We feel calm and serene by the lake.
Here, 'Frida' is again a proper noun, functioning as a direct address to a person with this name.