The crossword solution for the term 'Lack of Friction' is 'PEACE'. PEACE is a state of harmony characterized by the lack of violent conflict and the freedom from fear of violence. It is a concept closely related to the idea of freedom, and can be defined as the absence of hostility and retribution, in a social sense. PEACE is also used to refer to a state of tranquility and quiet, and can be seen as a lack of any disturbance or agitation.