The term 'close again' can be represented by three different crossword solutions: RESHUT (6 letters), RESEAL (6 letters), and RESNAP (6 letters). RESHUT means to close something that has been opened, such as a door or window. RESEAL means to close something that has been opened and then reseal it, such as a jar or bottle. RESNAP means to close something that has been opened and then snap it shut, such as a clasp or latch. All three of these words refer to the action of closing something that has already been opened.