grandmother UK /ˈɡɹæn(d)ˌmʌðə(r)/US /ˈɡɹæn(d)ˌmʌðɚ/noun 3forms 1phrases 1 noun3 •a woman whose child is one of your parents"It's a nightingale floor," our grandmother told us. "It warns us of thieves in the night." — 2018 •A female ancestor or progenitor.[…] man may admit that his grandfathers and grandmothers were mon[keys a]nd monkeyesses if he want^([sic]) to; that is his privilege. — 1923 •In Amazonian shamanism and related contexts, a reverential name for the ayahuasca vine or brew, symbolizing its role as a wise, guiding spirit."Enter ayahuasca, the mystical grandmother of the psychedelic family, a beacon of profound spiritual experiences" — 2025 formsgrandmothers Phrases with grandmother sell one's own grandmotherTo do anything, especially unprincipled or illegal, in order to obtain what one desires.