Sorely is used to emphasize that a feeling such as disappointment or need is very strong. I for one was sorely disappointed. He will be sorely missed.

Is it correct to say you will be sorely missed?

extremely; very much: I was sorely tempted to say exactly what I thought of his offer. You'll be sorely missed by everyone here, and we wish you success in your new job.

How do you use sorely missed?

Meaning of sorely in English. extremely; very much: I was sorely tempted to say exactly what I thought of his offer. You'll be sorely missed by everyone here, and we wish you success in your new job.