Simple Definition of stepmother

from our Learner's Dictionary

stepmother

noun

plural stepmothers
: a woman that your father marries after his marriage to or relationship with your mother has ended

Cite this Entry

“Stepmother.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/stepmother. Accessed 21 Jun. 2026.

More from Merriam-Webster on stepmother

More from Merriam-Webster