As nouns the difference between stepmother and stepgrandfather
is that stepmother is the wife of one's biological father, other than one's biological mother while stepgrandfather is the stepfather of one's mother or father.
stepmother
English
Noun
(
en noun)
The wife of one's biological father, other than one's biological mother.
A viola, especially Viola tricolor , heartsease.
*1974 , Thomas Teal, translating Tove Jansson, The Summer Book , Sort Of Books 2003, p. 115:
*:The second came up about ten days later in the lee of the channel marker, and it was called stepmother , or love-in-idelness.
Usage notes
In Western heterosexual couples, this is typically after after the divorce or death of the birth mother; in polygamous marriages and lesbian couples, the term may be used for co-mother or nonbirth mother
Synonyms
* stepmom
Hypernyms
* stepparent
See also
*
* ex-stepfather
* ex-stepmother
* ex-stepparent
* stepbrother
* stepchild
* stepdaughter
* stepfamily
* stepfather
* stepparent
* stepsibling
* stepsister
* stepson
stepgrandfather
English
Noun
(
en noun)
The stepfather of one's mother or father.
The father of one's stepmother or stepfather.
Related terms
* stepgrandmother