落后国家 luòhòuguójiā underdeveloped country Origin Definitions Defs Strokes Stroke Words Sentences Sents 落后 落後 luòhòu adjective backward To be underdeveloped or outdated in technology, thought, or level of development; to remain at a lower level compared to what is advanced.国家 國家 guójiā noun country country; nation; state; a political entity with defined territory, population, and government