WordvakavoituaMeaningto become seriousPart of speechverbPronunciationCourseFinnishLessonVerbs of transition (-ntua)Usages of vakavoituaPotilaan tila huonontui, ja tilanne vakavoitui.The patient's condition worsened, and the situation became serious.Lääkäri vakavoitui, kun potilas masentui.The doctor became serious when the patient got depressed.