"Sings the blues" is an expression used to describe someone who is feeling down or sad. The term originated from blues music, which often dealt with themes such as heartbreak and despair. There are several synonyms for "sings the blues" that can be used to describe this type of feeling. Examples include "feeling blue", "down in the dumps", "in a funk", "low-spirited", and "melancholy". Other synonyms for the term can include phrases such as "having the blues", "being blue", or "feeling melancholic". No matter the phrasing used, each synonym captures the essence of feeling sad, downhearted, or simply blue.