Definitions
There is 1 meaning of the phrase
Big Sister.
Big Sister - as a noun
An older sister
Example Sentences
"My big sister is three years older than me."
"I look up to my big sister as a role model."
"Can you ask your big sister to help us with this task?"
"When I was young, I always wanted to be just like my big sister."
"My big sister is graduating from college next month."