姑姑 gūgu HSK6 paternal aunt Origin Definitions Defs Strokes Stroke Words Sentences Sents gūgu paternal aunt 姑 gū reduplication paternal aunt sister of one's father; father's sistergūgu nun 姑 gū reduplication nun woman who has taken religious vows, such as a Buddhist or Taoist nungūgu sister-in-law 姑 gū reduplication husband's sister sister of one's husband; sister-in-law