DIL
n. countable C2 Proficiency dil
n. Stands for Daughter-in-law. The woman who is married to your child.
n. Abbreviation for Daughter-in-law. A woman in relation to the parents of her spouse.
My DIL is visiting us for the weekend.
She maintains a very close relationship with her DIL, often going on shopping trips together.
While the term is common in digital shorthand and family forums, formal legal documents always use the full phrase rather than the initialism DIL.
Usage
Commonly used in informal digital communication, such as text messages or social media parenting groups.