Wiktionary
overconcerned
a. Excessively concerned.
Usage examples of "overconcerned".
What I don’t know the contents of, I can’t be overconcerned with, can I?
I always wanted to know the story behind the poor girl’s naming, and I had to believe that despite the fancy spelling and having a dash of her own, the Steins were not overconcerned with X-tra’s self-esteem.