外祖母 wài zǔ mǔ 🔊 mother's mother + Keep this word Meanings wài zǔ mǔ mother's mothermaternal grandmother Its characters 外wàioutsideHSK 1祖zǔancestor母mǔmotherHSK 6 Words with 外祖母 曾外祖母 zēng wài zǔ mǔ great-grandmother (mother's grandmother)