What is the correct definition of "Young"?
1. "In the olden days the girls were married young."

In this sentence it sounds like the word "young" is referring to the girls who were children.

2. She is 43 years old, but she still looks so young.

In this sentence it sounds like the word "young" is being used to say that the lady is 43, but she still doesn't look old.

3. You are younger than me.

In this sentence "younger" is being used to say that your age is less than my age.

Question

What is the correct definition of "Young"?
1. "In the olden days the girls were married young."

In this sentence it sounds like the word "young" is referring to the girls who were children.

2. She is 43 years old, but she still looks so young.

In this sentence it sounds like the word "young" is being used to say that the lady is 43, but she still doesn't look old.

3. You are younger than me.

In this sentence "younger" is being used to say that your age is less than my age.

Answer

The meaning is correct in all of the sentences, though the first one could be edited to make it clearer that "young" refers to the girls. For example: "In the olden days, girls married when they were young." or "In the olden days, young girls could get married."

Answer

The meaning is correct in all this sentences