Restless Yearning is a term that describes an intense desire for something that cannot be easily obtained. It is often associated with feelings of frustration and dissatisfaction. The crossword solution for this term is 'ITCH', which is a physical sensation that can be caused by a variety of things, such as an insect bite or an allergy. It can also be used to describe a strong emotional or psychological need. In this case, the ITCH is a metaphor for the restless yearning that someone may feel.