Stepmum

noun, slang

noun, slang ·Uncommon ·College level

Definitions

Noun
  1. 1
    Stepmother. Australia, Canada, New-England, UK, informal

Synonyms

All synonyms
stepmother

Etymology

From step- + mum.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.