This is the 1883rd most frequent Swedish word.
lägsta
Lowest.
Here, 'lägsta' means 'lowest', describing the price quantitatively as the least among competitors.
Denna produkt har det lägsta priset på marknaden.
This product has the lowest price on the market.
In this sentence, 'lägsta' describes the temperature, indicating the minimum degree observed.
Lägsta temperaturen i natt var minus tio grader.
The lowest temperature tonight was minus ten degrees.
Here, 'lägsta' figuratively suggests the most modest or inconspicuous presence.