Share this entry
SIL Line breaks: SIL

Definition of SIL in English:


1A person’s sister-in-law: I think you should tell your SIL that you found her comments upsetting
More example sentences
  • My nephew has more toys, books and clothes than he needs, and my SIL can find them at better prices than I can anyway.
  • I was quite appalled at the treatment my SIL received when she had a baby.
  • When my nephew was born, my SIL's group of close-knit friends referred to themselves as "aunties" to him.
2A person’s son-in-law: my SIL lives in the UK with our DD and their son
More example sentences
  • I know she wouldn't dream of saying the same things to her DD and SIL. It's always directed at me.
  • Still wish my DD had found herself a wonderful man and SIL for me.
  • My SiL is in full-time employment and is back living with his mother.


1960s: abbreviation.

Definition of SIL in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources