A strong restless desire is a feeling of intense longing or craving, often for something that is difficult to obtain. This term can be summed up by two crossword solutions: URGE and ITCH. An URGE is an intense, almost uncontrollable desire, while an ITCH is an uncomfortable feeling that compels one to scratch or do something else to relieve it. Both words are used to describe a strong, persistent need or craving.