The term LEAST FRESH can be summarized by three crossword solutions: TRITEST (7 letters), STALEST (7 letters), and OLDEST (6 letters). All three words refer to something that is not fresh, but the degree of staleness or age varies. TRITEST means 'most tested, ' suggesting that something has been used or handled a lot and is no longer in its original condition. STALEST implies that something has been sitting around for a long time and has lost its freshness. OLDEST suggests that something has been around for a long period of time and is no longer new.