Depth.
immaturity: lack of serious treatment of a topic.
banality: unaffectingly clichéd or trite treatment of a topic.
A nadir, a low point particularly in one's career.
anticlimax: an abrupt transition in style or subject from high to low.
hyperbole: excessiveness
Overdone or treacly attempts to inspire pathos.
Risible failure on the part of a work of art to properly affect its audience, particularly owing to
The ironic use of such failure for satiric or humorous effect.
A descent.
Ordered such that each element is less than or equal to the previous element.
Moving or sloping downwards.
Becoming lower in pitch.
Causing a sequence to follow a descending order.