The term 'closes in on' can be expressed in a variety of ways. The five crossword solutions for this term are 'nears' (5 letters), 'SUTURES' (7 letters), 'SLAMS' (5 letters), 'seals' (5 letters), and 'getsnear' (8 letters). 'Nears' implies that something is approaching or coming close to something else, while 'SUTURES' refers to the stitching of two pieces of material together. 'SLAMS' suggests a forceful closure, while 'seals' implies a more permanent closure. Finally, 'getsnear' implies that something is getting closer to something else. All of these words describe the concept of closing in on something.