孤独 gūdú HSK6 lonely Origin Definitions Defs Strokes Stroke Words Sentences Sents gūdú lonely 孤 gū adjective solitary (bound form) lonely; solitary; isolated; alone独 獨 dú adverb single single; only one; alone; solitarygūdú the helpless 孤 gū noun orphan (bound form) orphaned; a person who lost their parents or father at a young age独 獨 dú [childless] (bound form) old people without children; someone who is alone and has no one to rely on