Simple Definition of stepmother

from our Learner's Dictionary

stepmother

noun

ˈstɛpˌmʌðɚ

plural stepmothers

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

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

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