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
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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."