The term 'Brief Rest' can be defined by four different crossword solutions: RESPITE (7 letters), NAP (3 letters), PAUSE (5 letters), and SIESTA (6 letters). RESPITE is a period of rest or relief from something difficult or unpleasant, while a NAP is a short sleep during the day. A PAUSE is a temporary stop in an activity, and a SIESTA is a short afternoon NAP taken in some countries, especially in hot climates. All of these words refer to taking a break from work or other activities for a short period of time.