This is the 12026th most frequent Swedish word.
regnig
Rainy.
Here, 'regnig' is used as an adjective to describe the weather condition 'day' as being characterized by rain.
Det är en regnig dag.
It is a rainy day.
'Regnig' is used to describe the noun 'week', showing that the week had consistent rain.
Under den regniga veckan stannade vi mest hemma.
During the rainy week, we mostly stayed at home.
In this instance, 'regnig' modifies 'vädret', indicating that the prevailing weather was characterized by rain.