Noun
a noticeable deterioration in performance or quality
Source: WordNetfalling off
the team went into a slump Source: Internet
a gradual slack in output Source: Internet
a drop-off in attendance Source: Internet
a falloff in quality Source: Internet
Add Shaun Alexander to the list of RBs falling off shortly after signing a big contract. Source: Internet
Although the installation of paver blocks helped to some extent, the past monsoon has proved they are of no use as they have already started falling off the edges. Source: Internet