The term 'furthest' is used to describe the greatest distance or degree of something. The crossword solutions for this term include 'OUTMOST' (7 letters), 'OUTERMOST' (9 letters), 'UTMOST' (6 letters), 'EXTREME' (7 letters), 'LAST' (4 letters), 'UTTERMOST' (9 letters), 'FINAL' (5 letters), 'DISTANT' (7 letters), 'FARTHEST' (8 letters), 'influent' (8 letters), 'pushiest' (8 letters), 'REMOTEST' (8 letters), 'ULTIMATE' (8 letters), 'forwardest' (10 letters), 'mostremote' (10 letters), and 'furthestmost' (11 letters). All of these words can be used to describe the greatest distance or degree of something, with 'furthestmost' being the longest word in the list.