The term 'A Little Blue' can be described in four different ways, each with a different number of letters. The first is 'RACY' with four letters, which means to be daring or bold. The second is 'Risque' with six letters, which means to be daring or suggestive in a way that may be considered improper or indecent. The third is 'DOWNHEARTED' with eleven letters, which means to be sad or dispirited. The fourth is 'SALTY' with five letters, which means to be sharp or bitter in taste or temper.