Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun mother-in-law

1 sense of mother-in-law

Sense 1
mother-in-law -- (the mother of your spouse)
       => mother, female parent -- (a woman who has given birth to a child (also used as a term of address to your mother); "the mother of three children")
       => in-law, relative-in-law -- (a relative by marriage)