Both Uses of

indifferent
in
The Importance of Being Earnest

Even before I met you I was far from indifferent to you.
Act 1 *

indifferent = without interest

You know that I love you, and you led me to believe, Miss Fairfax, that you were not absolutely indifferent to me.†
Act 1

Definition:

without interest

in various senses, including:

unconcerned -- as in "She is indifferent to what is served to eat."
unsympathetic -- as in "She is indifferent to his needs."
not of good quality (which may imply average or poor quality depending upon context) -- as in "an indifferent performance"
impartial -- as in "We need a judge who is indifferent."