Falloff in a sentence as a noun

I would be more inclined to blame the major mental illness for any falloff in the quantity or quality of his output, rather than the treatment he received for it.

Falloff definitions

noun

a noticeable deterioration in performance or quality; "the team went into a slump"; "a gradual slack in output"; "a drop-off in attendance"; "a falloff in quality"

See also: slump slack drop-off