A woman still unmarried; esp. one beyond the usual age for marriage, an old maid.

Example

Meaning

So anyway, he said to me, um "Please come and see me." And I thought "Oh God. What have I done now?" So I learned German from um an Irish spinster lady and he said to me- he said "You're from um East-York-Collegiate aren't you?" And I said "Yes." He said "You had Fraulein Noble, didn't you?" And I said "Yes. How do you know that?" And he said, "'Cause you say, "Icken-micken-dick," instead of "ich-mich- and-dich."

A woman who has never been married.

Example	Meaning
Both of them were killed and sh-- being the only child, she went to live with ah an aunt who was a spinster and ah I-guess she found after a time that raising a child was just out of her league.	A woman who has never been married.

Example	Meaning
And she had, I think, three sisters. And herself included, they were all spinsters.	A woman who has never been married.

Example	Meaning
We had an aunt. She was a bachelor, not a bachelor, a spinster.	A woman who has never been married.