The term 'just great' can be expressed in a variety of ways, such as 'DANDY' (5 letters), 'FAB' (3 letters), 'PEACHY' (6 letters), 'AOK' (3 letters), and 'SUPER' (5 letters). Each of these terms is a slang expression that conveys the same sentiment of approval or satisfaction. DANDY is an old-fashioned term that means excellent or splendid, while FAB is a more modern term that is short for fabulous. PEACHY is a term that suggests something is pleasing or satisfactory, while AOK stands for 'all okay' and is often used to indicate that everything is going well. Finally, SUPER is a term that is used to express admiration or approval. All of these terms are used to express the idea of 'just great'.