Vocabulary What does 祖父母 (そふぼ, sofubo) mean? 祖父母 (そふぼ, sofubo) means grandparents. Quick factsReadingそふぼRomajisofuboPart of speechnoun 祖父母そふぼsofubograndparents1noun grandparentsKanji in this word祖ancestor, founder父father母mother