WordtyyniMeaningcalm (e.g., weather, water)Part of speechadjectivePronunciationCourseFinnishLessonNuance particles (-han / -hän)Usages of tyyniMehän voimme uida, jos järvi on tyyni.We can swim if the lake is calm, you know.Järvihän on aivan tyyni.The lake is quite calm, you know.