Dictionary

in–law

noun \ˈin-ˌl\

: a person you are related to because of your marriage; especially : the father or mother of your husband or wife

Full Definition of IN-LAW

:  a relative by marriage
ADVERTISEMENT

Origin of IN-LAW

mother-in-law, etc.
First Known Use: 1894
IN-LAW Defined for Kids

in–law

noun \ˈin-ˌl\

Definition of IN-LAW for Kids

:  a relative by marriage and especially the mother or father of a person's husband or wife
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears