The phrase "need sorely" expresses a strong sense of urgency for something. Some synonyms for "need sorely" include a dire need, a pressing need, an urgent need, or a critical need. When someone is in a situation where they "need sorely" something, they could also say that they desperately need it, or that they urgently require it. In some cases, people might say that they are in dire straits, which is another way to express a desperate need for something. Other synonyms for "need sorely" could include phrases like "must-have," "essential," or "vital," which all emphasize the importance and urgency of the situation.