WordtrzynastyMeaningthirteenthPart of speechnumeralPronunciationCoursePolishLessonOrdinal numbers 13th to 20th (trzynasty...)Usages of trzynastyTo jest nasz trzynasty projekt, a to czternasty.This is our thirteenth project, and this is the fourteenth.Dzisiaj jest trzynasty maja.Today is the thirteenth of May.