This is the 12834th most frequent Swedish word.
stressig
Stressig: Stressful.
Here, 'stressig' is used as an adjective to describe the nature of the day, indicating it was full of stress.
Dagen på jobbet var väldigt stressig.
The day at work was very stressful.
In this sentence, 'stressig' is used in its adverbial form 'stressigt' to describe the nature of the situation of constantly being in a rush.
Det är stressigt att alltid behöva skynda sig.
It's stressful to always have to hurry.
Here, 'stressigt' is used as a conditional descriptor, implying the situation might induce stress for the person in question.