Meaning of SIL in English:
SIL
noun
informal1A person's sister-in-law.
- ‘I think you should tell your SIL that you found her comments upsetting’
- ‘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.’
- ‘My SIL is infertile yet she loves babies and children.’
- ‘I told my SIL if she were to go through the operation I would take time off work to look after her and her children.’
- ‘Quite frankly, I think your SIL should grow up and get over herself.’
2A person's son-in-law.
- ‘my SIL lives in the UK with our DD and their son’
- ‘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.’
- ‘Your SIL and DD should take some parenting classes.’
- ‘As a reward for helping with the kids, my wonderful SIL and DD took me to Menton's for dinner the night before I left.’
Origin
1960s abbreviation.
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