SIL
SIL has 2 meanings
Son-in-law
Example
Our SIL treats our daughter very well
Related Slang
Categories
Sister-in-law
SIL is an acronym that stands for "sister-in-law" and is typically used in text messages, emails, and chatrooms. The acronym refers to the sister of a partner's spouse or wife of a sibling.
MIL, FIL, DIL, and BIL are also used to refer to "in-law" relations. SIL may also stand for "son-in-law" so the context in which the acronym is used will indicate if it is referring to "son" or "sister."
Example
Fortunately, me and my SILs get along pretty well
How well do you know your texting slang?
SIL is an acronym that stands for "son-in-law" and is typically used in emails, chatrooms, and text messages. The acronym refers to a husband's relation to his partner's parents.
MIL and FIL are used to refer to the parents of the SIL's partner. SIL may also stand for "sister-in-law" so the context in which the acronym is used will indicate if it is referring to "son" or "sister."