The term 'not bad' can be expressed in a variety of ways, from the four-letter words 'OKAY, ' 'FAIR, ' 'good, ' and 'soso, ' to the six-letter words 'EDIBLE, ' 'SEEMLY, ' and the seven-letter words 'EATABLE' and 'ilikeit.' Additionally, there are eight-letter words such as 'ADEQUATE' and 'GLORIOUS, ' as well as the ten-letter word 'prettygood' and the eleven-letter word 'wellbehaved.' All of these words can be used to describe something that is not bad, with each word having its own connotation. For example, 'OKAY' implies that something is satisfactory, while 'GLORIOUS' implies that something is excellent.