The word of the day is "lugubrious," an adjective. Lugubrious signifies something very sad, either exaggerated or insincere. It also describes something that expresses gloom or sorrow. The provided example shows how it can describe a plot or a mood. Another example demonstrates the word's usage in describing the tone of a play. "Lugubrious" is a formal word used in writing. The text provides an example of how the word can be used to describe a song. The word's effect can be considered unusual by some. Its origins are in the Latin verb "lugēre," meaning "to mourn." The text also mentions a related word that is no longer in common use. Thus, the entry defines the word and clarifies its meaning with helpful examples.