[ gran-muhth-er, grand-, gram- ]
/ ˈgrænˌmʌð ər, ˈgrænd-, ˈgræm- /


the mother of one's father or mother.
a female ancestor.

Origin of grandmother

late Middle English word dating back to 1375–1425; see origin at grand-, mother1

Can be confused

grammar grandma grandmother Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for grandmother

British Dictionary definitions for grandmother


/ (ˈɡrænˌmʌðə, ˈɡrænd-) /


the mother of one's father or mother
(often plural) a female ancestor
(often capital) a familiar term of address for an old woman
teach one's grandmother to suck eggs See egg 1 (def. 8)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012